How to Build a Press-On Nail Product Specification Sheet for OEM Production

Quick answer

A press-on nail specification sheet should define one SKU in enough detail for the buyer, product team and supplier to identify the same approved product. Record the document version, shape, length, curvature, size sequence, color reference, finish, decoration map, set contents, packaging files, label data, quality checkpoints and approval status. Keep commercial estimates in the quotation and keep the technical specification under version control. When an approved feature changes, document the revision and decide whether a new physical sample is required.

Why an OEM order needs a product specification sheet

A reference image can start a discussion, but it cannot reliably define a production SKU. It may not show the side profile, underside curvature, size sequence, finish, decoration position, accessory kit or packaging version. Written specifications turn visual direction into reviewable decisions.

The sheet also creates a shared reference for product development, sampling, packaging and inspection. When a question arises, both parties can identify the current version instead of searching through scattered chat messages. The goal is not paperwork for its own sake; it is to reduce ambiguity before commitments become expensive.

A specification sheet does not replace a quotation, purchase order, approved sample, artwork file or inspection agreement. Each record answers a different question.

Specification sheet, RFQ and approved sample: what is the difference?

1. Start with document identity and version control

Give every specification a stable identity before filling in product details. Use a buyer SKU or project code that both teams can repeat in email subject lines, sample labels and order records. Record the version number, issue date, owner and status.

• Buyer SKU or project code: one unambiguous identifier per sellable item.
• Document version: for example, Draft 01, Sample Review 02 or Approved 01.
• Status: draft, under review, approved with conditions, approved or obsolete.
• Linked files: artwork filename, decoration map, size chart and packaging reference.
• Change summary: what changed, why it changed, who approved it and when.

Never overwrite an approved version without recording the change. The current version should be obvious, while obsolete files should remain identifiable so they are not accidentally reused.

2. Define the nail base and fit profile

Start with the physical platform because it affects appearance, packaging fit and the way customers select a set. Use clear names, but support names such as short, medium or almond with a supplier drawing, measurable chart or approved physical reference.

If the supplier proposes dimensions or tolerances, record the measurement method as well as the number. A figure without a defined measuring position can create a false sense of precision. Any acceptance limit must be agreed for the actual product and process; this guide does not prescribe universal tolerances.

3. Control color, finish and decoration

Separate color from surface finish. A single color can look different under matte, glossy, translucent, chrome or textured effects. Screens and photographs are useful for direction, but they are not reliable final color standards on their own.

• Name the color reference system, physical swatch or approved sample used for comparison.
• State whether coverage is opaque, translucent, gradient, layered or intentionally varied.
• Identify the finish: gloss, matte, chrome, cat-eye, glitter, textured or another approved effect.
• Map the design for every nail position instead of describing only the overall theme.
• Define decoration type, color, approximate placement, orientation and allowable visual movement where relevant.
• Mark hand-finished variation honestly rather than promising mechanical identity when the process cannot support it.

For a multi-design set, include a numbered ten-finger or piece-position map. The map should connect each design to the correct base size. If left and right hands differ, show both. Photograph the physical approval sample under consistent lighting and keep the original sample as the primary reference for appearance.

4. Build a set-level bill of materials

Buyers often approve the nail design but leave the full retail set undefined. A bill of materials, or BOM, records every item that the customer receives and how it is packed.

Do not assume that an accessory shown in a reference photo is included. Every item needs its own line, version and quantity. If adhesive, liquid or another regulated accessory is included, the responsible parties should verify documentation and labeling for the intended market before approval.

5. Link packaging, labeling and barcode data

The product specification should reference packaging files without trying to reproduce the entire artwork inside the sheet. Record the exact filename and version for the dieline, insert and instructions. Confirm the packaging structure, dimensions, tray orientation, visible product direction and included items.

The brand owner should verify the product identity, GTIN allocation and market-facing copy. The supplier can check that the printed barcode and text correspond to the approved artwork, but should not invent legal statements or assign a retail product identity without authorization. GS1 maintains rules for when a product change may require a new GTIN; use those rules and qualified market advice for the actual launch.

• Artwork filename and revision
• Packaging structure and physical dimensions
• Product name, quantity statement and variant identity
• Barcode type, human-readable digits and verification responsibility
• Languages, instructions, warnings and destination-market copy
• Outer carton marks and packing configuration, if part of the order

6. Define quality checkpoints with observable language

Terms such as premium quality, perfect finish or zero defects do not tell an inspector what to check. Convert expectations into observable characteristics and agree how nonconformities will be classified for the specific order.

• Correct SKU, approved version and piece count
• Correct shape, size sequence and design-to-size mapping
• Color and finish compared with the agreed physical reference under consistent lighting
• Decoration presence, position, orientation and secure placement where applicable
• Visible surface issues such as contamination, unintended marks, bubbles, chips or uneven coverage
• Edge, underside and overall symmetry checks appropriate to the product
• Accessory, instruction and packaging completeness
• Artwork, barcode digits, labels and outer-carton information against approved files

If statistical sampling is required, the order should identify the agreed standard, lot definition, inspection level, defect classes and acceptance plan. An AQL value by itself is not a complete sampling instruction, and this article does not claim that DEDXC applies one universal plan to every project.

7. Record sample decisions and approval status

Avoid approval messages such as looks good when several items are still open. Use a status that describes what may happen next and list every condition.

Keep the dated approval record, physical reference sample and linked files together. A later change to shape, color, finish, decoration, size mix, accessory, packaging structure or customer-facing information should trigger a documented review. Decide whether the change needs a new artwork proof, partial sample or full assembled sample.

A seven-step specification workflow for buyers

1. Create the SKU identity. Assign the buyer code, product name, owner, document version and target market.
2. Define the physical base. Confirm material direction, shape, length, curvature, size sequence and edge profile.
3. Map the appearance. Record color references, finish, every nail design and decoration placement.
4. Build the BOM. List nail pieces, accessories, instructions, tray, retail pack and outer packing.
5. Link controlled files. Add filenames and revisions for drawings, artwork, barcode and instruction documents.
6. Set review checkpoints. Describe observable product and packaging requirements and the evidence used for approval.
7. Approve and lock the version. Record the final decision, approver and date; route every later change through a new revision.

Buyer checklist before requesting an OEM sample

• One buyer SKU is assigned to each sellable product.
• The current document version and status are visible.
• Shape, length, curvature direction and size sequence are defined.
• Color reference, finish and physical approval method are stated.
• Every nail design and decoration position is mapped.
• The full kit BOM includes quantities and versions.
• Packaging structure and linked artwork filenames are identified.
• Barcode ownership and verification responsibility are assigned.
• Destination market and required languages are recorded.
• Observable quality checkpoints are written without unsupported guarantees.
• Open questions are marked instead of silently assumed.
• The sample approval status and approver are documented.
• Changes after approval require a revision record.

Sources and scope

This buyer guide provides a documentation framework, not legal advice and not a statement that DEDXC holds a particular certification. Project requirements must be confirmed for the actual product, accessory kit and destination market.

• ISO 10007:2017 — Quality management guidelines for configuration management
• GS1 GTIN Management Standard
• U.S. FDA — Nail Care Products
• DEDXC ordering, customization and buyer-approval policies