PU, Microfiber or Leather? Questions to Ask Before Buying Bags on 1688

Calculation and purchase decision

A seller’s “leather bag” description is insufficient if the brief requires a leather body and synthetic lining. Build a four-zone record: body, trim, lining and reinforcement. An invoice description is a seller statement; a close-up shows appearance; composition needs an appropriate supporting document or agreed test. Do not upgrade one evidence type into another.

Ask about components rather than one label

Request separate answers for the outer body, coating or surface finish, backing, trim, handles and lining. A listing can describe one component while the rest of the bag uses different materials. Save the seller’s original wording and the exact SKU; do not silently turn a broad material label into a more specific claim.

Microfiber can refer to a fiber-based construction or backing, and a PU description may refer to a coating or a synthetic construction. Ask how the seller uses the term for this product. For a leather claim, ask which components the claim covers and request available supporting evidence. Avoid treating a photograph, price or smell as proof.

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Choose the sample checks that matter

Record practical requirements such as flexibility, finish consistency, color transfer concerns, closure function and edge quality. Agree which checks the desk can perform and whether specialist testing is needed. Basic visual QC can document visible differences; it cannot establish every chemical, durability or regulatory property.

If color matching matters, agree a physical reference and viewing method. Lighting and screens can alter apparent color. Keep sample observations distinct from batch-wide conclusions, and ask whether the reorder uses the same specification.

Carry the evidence into the purchase brief

Record each important claim as seller stated, sample observed, document received or independently tested, with the date and product scope. A document for another model or material should not be treated as evidence for the selected bag. Ask for clarification when evidence and listing wording disagree.

• Seller checks
• QC inspection scope
• Contact and OEM/ODM route

Sources and calculation method

Research reference date: 2026-10-16. This is a source-reference date, not a publication date or a hands-on test.

Method: the editorial comparisons use the cited specifications; worked calculations state their assumed inputs. Product-page descriptions do not establish physical fit, material performance or stock.

• 1688 Bags — inspection service scope · 2026-10-16 · Service description; establishes scope, not an order result.

Questions before purchase