PRIMEVAL • APPROVED SAMPLE TO BULK PRODUCTION

Custom Cushion Bulk Production India – From Approved Sample

Move an approved custom cushion from development into repeatable bulk manufacturing in India with a locked production package, material and colour controls, first-output verification, inline QC, final inspection, accurate packout and repeat-order discipline.

An approved sample anchors the bulk standard—but it does not replace the written specification, approved materials, current artwork, revision control, quality criteria or production-release process.

  • Translate the approved sample into one controlled production-release dossier
  • Verify fabric, yarn, thread, colour, zipper, trims, labels and packaging before bulk
  • Use first-production or TOP checks to catch systematic deviations early
  • Apply technique-specific inline QC for printed, embroidered, tufted, woven and hand-finished cushions
  • Control substitutions, revisions and corrective actions before shipment release
  • Preserve the golden sample and production master data for repeat orders
Custom Cushion Covers & Decorative Cushions Cotton, Linen, Jute, Wool, Velvet, Polyester, Jacquard & Blends Woven, Handwoven, Printed, Embroidered, Tufted, Jacquard & Hand-Finished Custom, Private Label, Retail, Contemporary, Artisan & Buyer-Designed Importers, Wholesalers, Retailers, Home Decor Brands, E-commerce, Hospitality & Private Labels
Approved sample control
Golden sample
First production
Inline QC
Final inspection
Private label

Buyer focus: custom cushion bulk production India

FROM DEVELOPMENT TO EXECUTION

An approved sample is a production anchor—not the entire production instruction

Sample approval closes one stage of development and opens a more demanding stage: reproducing the approved result across the full purchase order.

A custom cushion sample can visually prove the buyer’s idea, but bulk production needs more than a physical reference. The factory also needs the current dimensions and tolerances, face and reverse materials, colour standards, artwork revision, embroidery or tufting details, closure, piping or flange, trims, labels, barcode files, retail packaging, master-carton rules and the quantity split by SKU.

If those details are scattered across emails, old drawings and sample comments, the risk of mixed revisions increases as soon as cutting, decorative processes, stitching and packing begin. A production-release package should therefore identify one current standard and one approval authority for any later change.

Primeval approaches approved-sample-to-bulk sourcing as a controlled handoff. The objective is to make the approved product reproducible, measurable and inspectable—not simply to tell a factory that the sample looks good and begin production.

APPROVAL HIERARCHY

Know what each sample stage is supposed to prove

Terminology varies between buyers and factories, so define the purpose of each sample rather than relying on the label alone.

Development Sample

Tests the design idea, material direction, dimensions, technique and overall appearance. It may still use provisional materials or details.

Corrected / Counter Sample

Incorporates measurable buyer comments and helps close gaps in size, colour, placement, construction, workmanship or trims.

Pre-Production / Production-Intent Sample

Should represent the materials, construction, artwork, labels and workmanship intended for bulk as closely as practical.

Golden Sample

The controlled approved physical reference linked to the current written specification, artwork, material and colour references, labels and packaging.

First-Production / TOP Unit

An item taken from actual bulk production to confirm that production materials and processes reproduce the approved standard before the full run progresses.

Shipment / Retention Sample

Where required, a retained finished unit can support shipment records, claims review and future repeat-order comparison.

What should be locked before the factory receives bulk-production release

The release package should make it difficult for production teams to accidentally use an old sample, old artwork or unapproved component.

Product master

  • Final SKU/style code and product name
  • Finished dimensions and measurement method
  • Tolerance by critical dimension
  • Face and reverse construction
  • Closure type, size, colour and position
  • Piping, flange, tassel, fringe or other trim specification

Material master

  • Approved face fabric/yarn reference
  • Approved reverse fabric reference
  • Composition and measurable weight/GSM where relevant
  • Approved thread/yarn colours
  • Approved zipper and trim references
  • Approved substitute policy—if any

Artwork & technique

  • Current artwork revision
  • Motif dimensions and placement coordinates
  • Repeat/orientation where relevant
  • Print, embroidery, tufting, jacquard or woven method
  • Coverage, density, pile or stitch expectations where measurable
  • Approved handmade variation where relevant

Brand & pack

  • Brand label artwork and placement
  • Care/composition/origin label file as buyer-approved
  • Barcode and SKU master
  • Hangtag, insert or sticker artwork
  • Retail pack and fold/facing direction
  • Units per carton, assortment and shipping marks

Commercial & quality

  • Quantity by design, colour and size
  • Current PO / order revision
  • Production and delivery milestones
  • Inspection protocol and defect classification
  • Buyer-defined testing requirements
  • Named approval authority for changes or deviations
Product references

Explore relevant Primeval products

Use these products as visual sourcing references. Materials, constructions, colours, dimensions and finishes can be developed around your buying brief.

An 18-step approved-sample-to-bulk cushion production workflow

The exact checkpoints vary by construction, but this sequence keeps technical approvals, materials, production and quality aligned.

  1. 01

    1. Confirm the approved reference

    Identify the exact physical sample and specification revision that represent the production standard.

  2. 02

    2. Freeze the SKU matrix

    Confirm quantities by design, colour and size so material booking and production planning are based on the actual order.

  3. 03

    3. Issue the production-release package

    Provide current artwork, dimensions, materials, trims, labels, packaging and quality criteria in one controlled record.

  4. 04

    4. Confirm manufacturing route

    Identify which processes are in-house, outsourced or artisan-led and who owns quality at each stage.

  5. 05

    5. Verify production capacity

    Check realistic output, factory loading, process bottlenecks and the allocated production window for this exact construction.

  6. 06

    6. Book approved materials

    Reserve fabrics, yarns, threads, zippers, trims, labels and packaging against the approved references.

  7. 07

    7. Review incoming materials

    Verify identity, construction, colour/shade and visible quality before material is issued to production.

  8. 08

    8. Control cutting / panel preparation

    Check dimensions, artwork orientation, pattern alignment and allowances before large quantities are cut.

  9. 09

    9. Start decorative production

    Print, embroider, tuft, weave, jacquard or hand-finish according to the approved route and current artwork.

  10. 10

    10. Check first bulk output

    Compare actual production units or panels with the golden standard before the process is repeated at scale.

  11. 11

    11. Approve or correct first production

    Record deviations, corrective action and re-approval before continuing where a critical mismatch is found.

  12. 12

    12. Run inline quality checks

    Monitor recurring dimensions, shade, technique, seams, closure, trims, cleanliness and workmanship during production.

  13. 13

    13. Control changes and substitutions

    Do not allow unapproved material, colour, artwork or packaging substitutions to enter the order.

  14. 14

    14. Complete finishing

    Trim threads, clean, press or condition the product as appropriate without changing approved dimensions or appearance.

  15. 15

    15. Apply labels and retail pack

    Use the approved SKU/barcode master and pack instructions, checking product-to-label mapping before cartonization.

  16. 16

    16. Conduct final inspection

    Inspect finished goods against the current approved standard using the buyer-defined sampling and acceptance protocol.

  17. 17

    17. Reconcile passed quantities and cartons

    Match passed units by SKU with packout, carton assortment, labels, marks and final packing-list data.

  18. 18

    18. Preserve the production master

    Retain the golden sample, current files, approved deviations, QC results and final pack data for repeat orders.

Control materials before they become irreversible production problems

Fabric / yarn

  • Confirm approved construction and composition
  • Verify measurable weight/GSM/density where specified
  • Check shade or colour against the approved standard
  • Separate lots where variation could be visible
  • Record any permitted natural or handmade variation

Thread / decorative yarn

  • Use approved shades
  • Check fibre, sheen and thickness where relevant
  • Avoid silent colour substitution
  • Review lot consistency on sensitive designs

Zippers & trims

  • Confirm type, colour, dimensions and finish
  • Check function or attachment security
  • Verify enough quantity for bulk plus reasonable production allowance
  • Keep replacement components traceable to the approved reference

Labels & packaging

  • Approve artwork before printing large quantities
  • Check SKU and barcode master
  • Verify label material and fold
  • Confirm retail-pack size around the real product
  • Approve carton marks before packout begins
TECHNIQUE RISK

The bulk-production risk changes with the cushion construction

Printed Cushions

Watch bulk shade, registration where applicable, repeat/placement, orientation, cutting alignment, stains and fabric distortion.

Embroidered Cushions

Watch motif scale and placement, thread shades, stitch coverage/density, puckering, skipped/broken stitches, backing/stabilisation and trimming.

Tufted Cushions

Watch yarn shade, pile height, motif boundaries, density, loose yarn, shedding where relevant, backing/stabilisation and surface consistency.

Woven / Handwoven Cushions

Watch yarn lot, weave structure, slubs/irregularity, repeat, dimensions, pulled yarns and the boundary between authentic texture and structural defects.

Jacquard Cushions

Watch yarn/colour setup, weave pattern, motif definition, floats, fabric stability, cut alignment and reverse construction.

Velvet / Pile Cushions

Watch pile direction, crushing, marking, shade appearance, embroidery response, cutting orientation and pack pressure.

Handwork / Trim Cushions

Watch acceptable craft variation, completeness, attachment security, symmetry where intended, trim dimensions and packing damage.

What can still change cost or lead time after the sample is approved

Approval reduces design uncertainty, but the commercial outcome can still move if production inputs change.

Material availability
The approved fabric, yarn, zipper or trim may require a specific mill lot, dye lot or procurement lead time.
Colour / lot matching
Custom colours may require controlled lots, extra approval or replacement planning if the original lot is unavailable.
SKU fragmentation
Many designs, colours or sizes can create smaller production runs and more changeovers even after one sample is approved.
Technique capacity
Embroidery, tufting, handwork or specialist finishing can become the production bottleneck.
Private-label components
Late labels, barcodes, hangtags or packaging artwork can delay an otherwise completed product.
Testing / inspection
Buyer-defined tests, third-party inspection, rework or reinspection need calendar time and cost allowance.
Late buyer changes
Changes after release can create mixed revisions, scrapped work, re-sampling and delivery risk.
Packing method
New retail pack, compression, carton assortment or protective requirements can change labour, materials and shipment volume.

Use the first real bulk output as a control gate

This checkpoint is valuable because it tests the actual production materials, people, machinery and process—not only the sample room.

  1. 01

    Select representative units

    Take pieces or panels from actual bulk production using the real approved materials and process route.

  2. 02

    Compare to the golden standard

    Check material, colour, dimensions, motif placement, technique, construction, closure, trims and overall workmanship.

  3. 03

    Identify systematic vs isolated issues

    A repeated shade, size or process problem requires stronger action than one isolated repairable defect.

  4. 04

    Document corrections

    Write measurable corrections and identify the affected process, lot, line or work batch.

  5. 05

    Verify corrective action

    Review corrected first output before allowing the same process to continue at scale where the issue is critical.

  6. 06

    Record release

    Keep a clear record of what was approved, what deviated and whether any controlled deviation became part of the current production standard.

INLINE QUALITY CONTROL

Cushion checkpoints that should be monitored while production is still moving

Finished dimensions

Use the agreed measurement method and tolerance at the correct production/finishing stage.

Material identity

Confirm approved face, reverse, threads, yarns, zipper and trims are being used.

Colour / shade

Compare production lots with the approved physical standard and agreed variation.

Artwork / placement

Check motif scale, orientation, centre/offset position and repeat alignment.

Decorative technique

Inspect print, embroidery, tufting, jacquard, weave or handwork completeness and consistency.

Seams & corners

Check stitch quality, seam integrity, corner shape and clean assembly.

Zipper / closure

Verify correct type, length, position, operation and end security.

Piping / flange

Check width, colour, seam insertion, corners and symmetry where intended.

Tassels / trims

Confirm count, size, shade, position and attachment security.

Cleanliness

Control stains, oil, chalk, marks, contamination and loose threads before packout.

Labels & SKU

Check current artwork, placement and mapping before labels are applied at scale.

Packing readiness

Verify fold/presentation and product recovery before large packout begins.

Production checks by decorative method

Embroidery

  • Thread shade and type
  • Motif dimensions and placement
  • Stitch coverage/density
  • Puckering and fabric distortion
  • Skipped/broken stitches
  • Loose thread and backing finish

Tufting

  • Yarn shade
  • Pile height and density
  • Motif boundary
  • Loose yarn / shedding where relevant
  • Backing/stabilisation
  • Surface level and trimming

Printing

  • Approved shade
  • Registration or sharpness where relevant
  • Repeat / placement
  • Orientation
  • Cut-panel alignment
  • Stains and unwanted marks

Woven / jacquard

  • Yarn lot and colour
  • Weave / motif definition
  • Floats, pulls and holes
  • Repeat alignment
  • Fabric width / usable area
  • Dimensional stability after finishing

Handwork

  • Completeness
  • Approved variation
  • Attachment security
  • Motif position
  • Trim dimensions
  • No sharp/damaging decorative components where buyer requirements apply

Manage colour and material lots so the order does not become visually mixed

Before issue to production

  • Identify supplier / mill / dye lot where relevant
  • Compare colour and handfeel to approved standard
  • Flag visible lot differences
  • Decide whether lots can be mixed within one SKU or should be segregated

During production

  • Avoid mixing unreviewed lots on the same visible panel or set
  • Keep colour-sensitive components paired where required
  • Record which lots entered which SKUs or production batches when traceability is useful

At final inspection

  • Look for within-SKU shade inconsistency
  • Check face/reverse compatibility
  • Review acceptable natural-fibre or hand-process variation separately from unintended lot variation
CHANGE CONTROL

Do not let a production substitution become an invisible new standard

Material Unavailable

Supplier proposes a replacement fabric, yarn, zipper or trim. Record the reason, compare the new item and obtain the buyer’s required approval before use.

Colour Shift

A new dye/thread lot differs from the approved reference. Decide whether it is acceptable, requires reapproval or must be rejected/segregated.

Artwork Revision

A motif, repeat, placement or colour file changes. Issue a new revision and withdraw obsolete files from production.

Construction Change

A seam, reverse, zipper, piping or workmanship route changes. Reassess appearance, fit, cost and QC points before release.

Packaging Change

Retail pack, label, barcode or carton changes should receive controlled artwork/version approval before packout.

Approved Deviation

When a difference is intentionally accepted, document the affected SKU/quantity and ensure the inspector uses the same current acceptance basis.

Label and barcode accuracy can fail an otherwise perfect cushion order

Label control

  • Current brand label file
  • Care/composition/origin content as buyer-approved
  • Correct label material and fold
  • Correct position and orientation
  • No mixing old/new label revisions

Barcode / SKU control

  • One approved SKU/barcode master
  • Design-colour-size mapping
  • Barcode artwork verification
  • Spot scan / buyer protocol where applicable
  • Product, retail pack and carton identifiers aligned

Retail pack

  • Correct fold / facing
  • Hangtag or insert
  • Pack size
  • Protection of tufting/embroidery/trims
  • Buyer-required warnings or marks where applicable

Master carton

  • Units per carton
  • Straight or mixed-SKU assortment
  • Carton number
  • Shipping marks
  • Gross/net weight or dimensions where required

Plan inspection before the goods are finished—not after

Define before production

  • Inspection stage
  • Sampling method
  • Critical / major / minor defect definitions where used
  • Acceptance/rejection criteria
  • Golden sample and specification available to inspector

Product checks

  • Dimensions and material
  • Colour and decorative technique
  • Seams, closure and trims
  • Cleanliness and appearance
  • Labels and barcode mapping

Packout checks

  • Retail pack
  • SKU quantity
  • Carton assortment
  • Shipping marks
  • Carton condition

Important caution

  • There is no universal AQL level for every buyer/order
  • Inspection method should be buyer-defined or contractually agreed
  • Final inspection should verify production—not replace material and inline controls

A failed inspection needs containment and corrective action—not a cosmetic report

  1. 01

    1. Define the failure

    Identify defect types, affected SKUs, quantities or lots and whether the issue is systematic or isolated.

  2. 02

    2. Contain affected goods

    Prevent failed or suspect units from being mixed with passed stock or shipped prematurely.

  3. 03

    3. Find the production cause

    Trace the issue to material, artwork, process, workmanship, packing or revision control where possible.

  4. 04

    4. Agree corrective action

    Sort, rework, remake, replace, relabel, repack or otherwise resolve according to buyer/supplier agreement.

  5. 05

    5. Verify correction

    Recheck the corrected product or process and conduct reinspection if the agreed protocol requires it.

  6. 06

    6. Reconcile final quantity

    Confirm passed, reworked, rejected, short or replacement quantities by SKU before shipment release.

  7. 07

    7. Update repeat-order controls

    Record the root issue and prevention point so the same defect is less likely to recur in the next order.

A passed product is not shipment-ready until SKU and carton data also reconcile

SKU reconciliation

  • Ordered quantity
  • Produced quantity
  • Passed quantity
  • Reworked/reinspected quantity
  • Rejected/short quantity
  • Approved over/under tolerance if applicable

Cartonization

  • Units per carton
  • SKU or mixed-assortment matrix
  • Carton count
  • Carton number sequence
  • Marks and destination identifiers

Shipping data

  • Final carton dimensions
  • Gross/net weights where required
  • Total CBM where relevant
  • Packing-list quantities matched to physical packout

Preserve a production master so the second order does not restart from memory

Retain

  • Golden sample
  • Current tech pack/specification
  • Artwork files
  • Material and colour references
  • Zipper/trim standards
  • Label and barcode files
  • Packaging specification
  • QC / inspection criteria

Record from bulk

  • Approved deviations
  • Actual production route
  • Known material lots / substitute approvals where relevant
  • Final carton configuration
  • Inspection findings and corrective actions
  • Final shipment quantities

Reconfirm before reorder

  • Material availability
  • Colour lot / dye route
  • Factory capacity
  • Current price and lead time
  • Packaging availability
  • Any buyer or destination requirement changes
COMMON BUYER MISTAKES

Mistakes that happen after the sample is approved

“Sample approved—start bulk” with no release pack

The sample does not contain every material, label, tolerance, barcode and packaging instruction.

Old artwork still on the factory floor

Mixed revisions can create multiple product versions inside one order.

Silent fabric substitution

A visually similar material can change shade, handfeel, weight, shrinkage or performance.

No first-production check

A repeatable error can multiply across hundreds or thousands of units before final inspection.

Only checking finished goods

Inline prevention is usually more useful than discovering a systematic process issue after packout.

No handmade tolerance

Craft character becomes either over-rejected or used as an excuse for real defects.

Barcode introduced at packing stage

Late or incorrect files can stop shipment after manufacturing is complete.

No approved deviation process

Small production changes become invisible and repeat-order consistency deteriorates.

Final inspection criteria decided late

Acceptance becomes negotiable only after the goods exist, increasing dispute risk.

Packing not tested on the real product

Tufting, embroidery, tassels or velvet can be crushed or marked by an efficient-looking pack.

No repeat-order master record

The second order may use different materials, artwork or construction even when everyone calls it a repeat.

Shipment quantity not reconciled

Passed, reworked, short and packed quantities can diverge if SKU-level reconciliation is weak.

How Primeval can coordinate approved-sample-to-bulk cushion production in India

  1. 01

    Structure the production handoff

    Collect the approved sample, current specification, artwork, SKU quantities, branding, packing, quality and delivery inputs.

  2. 02

    Confirm suitable production capability

    Match or verify Indian manufacturing capacity for the approved material and technique.

  3. 03

    Build the release checklist

    Identify missing or conflicting production inputs before bulk starts.

  4. 04

    Follow material readiness

    Track approved fabrics, yarns, threads, trims, zippers, labels and packaging.

  5. 05

    Support first-output verification

    Coordinate the agreed early bulk check against the golden sample and current specification.

  6. 06

    Follow inline production milestones

    Track the critical process stages and quality issues while corrective action is still practical.

  7. 07

    Support final inspection

    Coordinate product and packout checks against the buyer-defined inspection scope.

  8. 08

    Reconcile shipment readiness

    Align passed SKU quantities, labels, barcodes, cartons and final shipping data before handover.

  9. 09

    Preserve repeat-order controls

    Keep the current approved standard visible so replenishment starts from the successful production record.

Continue your research

Related Primeval cushion sourcing and production resources

More product ideas

Explore more products you can source

Continue with additional product directions from the related Primeval collection.

Buyer FAQ

Custom Cushion Bulk Production India — Buyer FAQs

What does an approved cushion sample mean for bulk production?
It provides a physical reference for appearance and workmanship, but bulk should also be tied to the current written specification, artwork, materials, colour standards, labels, packaging and quality criteria.
Is a development sample the same as a pre-production sample?
Not necessarily. A development sample can prove the concept; a production-intent sample should represent the materials and construction intended for bulk as closely as practical.
What is a golden sample?
It is the controlled approved physical reference linked to the current specification and used by buyer, factory and inspector to judge bulk production.
When should bulk production be released?
After product, commercial, material, artwork, SKU, label, packaging, quality and timing inputs are sufficiently aligned for one controlled production standard.
What should be frozen before release?
Dimensions/tolerances, materials, colours, artwork, technique, reverse, closure, trims, labels, barcodes, packaging, carton rules, quality criteria and current revisions.
Can the factory change fabric after sample approval?
A substitution should be disclosed and approved according to the buyer’s change-control requirement before use; it should never silently become the new standard.
Why is material-lot control important?
Different lots can produce visible shade, handfeel or performance differences, so sensitive materials should be reviewed before mixing across the order.
What is a first-production check?
An early review of actual bulk output using real production materials and processes, intended to identify systematic deviations before they spread.
What is a TOP sample?
TOP often means top-of-production or a sample drawn from actual production. Terminology varies, so buyer and supplier should define its timing and approval role.
Why use inline QC?
Inline QC can catch repeated problems while production is still active and corrective action is more practical than after the entire order is finished.
How is embroidered cushion production controlled?
Check base fabric, motif size/placement, thread shades, stitch coverage/density, puckering, skipped stitches, backing, dimensions and finishing against the approved standard.
How is tufted cushion production controlled?
Check yarn shade, pile height, density, motif boundary, backing/stabilisation, loose yarn, dimensions and surface consistency.
How is printed cushion production controlled?
Check base fabric, shade, print method, repeat/placement, registration where relevant, orientation, cutting alignment, stains and finished-panel appearance.
How should handmade variation be handled?
Define which variation is intentional craft character and which conditions are defects, with measurable limits for size, placement, colour, completeness and workmanship where practical.
How are cushion dimensions checked?
Use the agreed finished dimensions, measurement method and tolerance at the correct stage after relevant decorative or finishing processes.
How should zippers be controlled?
Specify type, colour, length/size, position and function; check stitching, end security, alignment and smooth operation.
How should barcode accuracy be controlled?
Use one current SKU/barcode master, map every code to the correct design-colour-size, verify printed files and reconcile product, retail pack and carton identifiers.
What is a production deviation?
A documented, approved difference from the current production standard for a defined SKU, quantity or lot.
How should post-approval changes be managed?
Issue a new controlled revision or deviation, identify affected goods and reapprove the relevant physical or technical reference before production continues.
How should capacity be checked?
Confirm realistic output for the exact construction, current loading, specialist-process bottlenecks, material lead times and the production slot allocated to the order.
What is a production critical path?
A milestone plan covering materials, primary processes, stitching, finishing, testing, labels, packing, inspection and shipment readiness.
Is one AQL mandatory for every order?
No. Buyers may use AQL-based sampling or another agreed method, but the protocol and defect/acceptance criteria should be defined for the specific program.
What happens if final inspection fails?
Contain affected goods, identify defects and cause, agree sorting/rework/replacement or another disposition, verify correction and reinspection where required before release.
What should final inspection cover?
Product dimensions/materials/colour/technique/workmanship plus labels, barcodes, SKU quantity, retail pack, carton assortment and marks according to the agreed scope.
How should carton quantities be reconciled?
Match ordered, produced, passed, reworked, rejected and packed units by SKU, then reconcile carton count and assortment with the final packing list.
How should repeat orders be controlled?
Retain the golden sample, current specification, artwork, material/colour references, trims, labels, packaging, QC criteria, approved deviations and final production data.
Can Primeval support only production follow-up after a buyer already has an approved sample?
Primeval can structure the sample-to-bulk handoff and coordinate suitable production follow-up, quality checkpoints, packout and shipment readiness according to the agreed project scope.
What should I send Primeval to start?
Send the approved sample or current specification, artwork, materials, SKU quantities, target delivery, labels, barcode files, packaging requirements, quality/testing needs and supplier details if a factory is already selected.

Turn an approved custom cushion into a controlled bulk-production standard

Share the approved sample or current specification, artwork, materials, quantity by SKU, labels, packaging, quality requirements and required delivery. Primeval can coordinate the India-side production handoff, follow-up, inspection and shipment-readiness process.

Start Sample-to-Bulk Production
Topic cluster

Related Primeval buyer guides

Primeval sourcing platform

Move from approved sample to repeatable cushion production

Primeval helps buyers turn the approved product into a controlled manufacturing standard with material readiness, first-output verification, inline QC, final inspection and accurate packout.