Case Study: Custom Lace Underpants for an Amazon Private Label Seller in the United States
Source:Lace Underpants /
Time:2026-09-18
Lace Underpants for an Amazon Private Label Seller in the United States
An Amazon Private Label Seller approached us with a lace underpants requirement for the United States. The brief was specific: a defined look, a hard launch date and a unit cost that had to survive shipping and duty. This case study records what was specified, what went wrong in sampling and how the bulk order was delivered.
The challenge
- Suppliers who disappear once the deposit is paid
- Unclear responsibility when a defect shows up after washing
- Color drift between lab dips and bulk fabric
What we specified
| Product | Lace Underpants |
|---|---|
| Client type | An Amazon Private Label Seller |
| Market | the United States |
| Order volume | 2,000 pieces across 2 colourways |
| Base fabric | Polyester |
| Decoration | Hangtag and Packaging |
| Size range | Custom grading |
| Sampling rounds | 2 |
| Delivery window | 6 weeks from PO to ex-factory |
How it was resolved
- We rebuilt the tech pack around Polyester and locked shrinkage allowance before grading.
- Decoration was moved to Hangtag and Packaging after strike-off tests showed better wash durability.
- A pre-production sample was approved and retained as the golden reference.
- Production ran with in-line inspection and a mid-run photo report.
- Cartons were packed to the client's own barcode and size ratio specification.
Result
- 2,000 pieces delivered inside the 6-week window.
- Unit cost held within 3.0% of the original quotation.
- Return rate linked to fit or workmanship stayed under 2.0%.
- The specification is now on file, so reorders reproduce the approved sample.
What we would repeat
Lock the colour standard before grading. Once a shade moves, every downstream approval has to be redone and the calendar slips.
Planning something similar?
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