Factory proof pack
Proof should match the route, not just the factory.
A useful proof pack shows the material, structure, QC, packing, and redacted program logic for the bag type being quoted. It should not depend on customer logos or vague factory scale claims.
Open factory proof
Material proof
Fabric swatches, lining options, zippers, webbing, foam, EVA, insulation, reinforcement boards, and trim choices tied to the target use case.
1680D / 900D shell fabricthermal liner and PE foamEVA shell and divider foamwipe-clean liningTPU/PVC coated fabric
Structure proof
Photos or notes showing how the bag handles load, equipment fit, divider layout, thermal opening, pocket access, and stress points.
loaded-weight planpocket mapdevice-fit samplehard-bottom constructionrider strap layout
QC proof
Inline or final checkpoints for dimensions, stitch strength, zipper movement, logo placement, lining position, carton count, and packing release.
measurement checklistzipper movement checkstitching reviewlogo position checkcarton count release
Packing proof
Export-ready packing evidence for folded dimensions, barcode or hangtag placement, polybag, carton marks, shipment grouping, and destination requirements.
folded dimensionspolybag and hangtagbarcode labelcarton marksbulk set grouping
Redacted program example
A buyer-safe project summary without customer names, showing product type, quantity band, destination, key specs, QC focus, and release path.
HVAC tool backpackrestaurant rider rolloutEVA electronics casehome-care organizerschool kit shell