Bag Seam Types: How Construction Affects Durability
Not all bag seams are equal. See how flat-felled, welt, and french seams are built, where each belongs, and what to put in your tech pack before bulk.
Category: Factory & Manufacturing
Fabric Shrinkage on Custom Bags: Pre-Shrinking and Spec Tolerance
Fabric shrinkage can throw off bag dimensions after the first wash. Learn how pre-shrinking, allowance, and wash tests keep custom bag specs accurate.
Bag Fabric Bursting Strength: The Test Buyers Actually Specify
Bag fabric bursting strength for buyers: how Mullen burst testing works, burst vs tear, and how to set a minimum spec your factory can verify.
Bag Reference Samples: Locking Bulk Quality Before Production
A buyer’s guide to bag reference samples: how a sealed golden sample locks bulk quality, what to document, and the mistakes that cause defects.
Toggle Closure Specs for Bags: A Buyer’s Guide
Toggle closures use a stopper and cord loop to seal drawcord bags. Learn toggle types, cord sizing, and tech-pack specs to brief your manufacturer.
Care Labels for Custom Bags: What Buyers Should Spec
Care labels on custom bags carry fiber content, care symbols, and supplier ID. Learn what to spec so every order ships compliant and consistent.
Carabiner Clips for Custom Bags: A Buyer’s Guide
Buyer’s guide to specifying carabiner clips for bags: material, gate type, working load, finish, and how to write the spec into your tech pack.
Heat-Taped Seams: What Bag Buyers Should Specify
Heat-taped seams stop sewn waterproof bags leaking at the needle holes. Here are the tape type, width, sealing temperature and peel-strength points to add to a tech pack.
Specifying a Clear PVC Window for Custom Bags
A clear PVC window shows bag contents without opening. Compare PVC vs TPU film, pick thickness, choose weld vs sew, and write the spec fields buyers need.
Quilted Bag Construction: What the Stitch Pattern Actually Does
Quilted construction traps padding between fabric layers with stitches. Learn diamond vs channel quilting, stitch density, and the spec lines that matter.