GFBags works with Zurich‑based brands to develop school backpacks designed for Swiss and EU markets, combining factory experience in ergonomic strap

New-bag odour is usually caused by volatile organic compounds (VOCs) released from materials and production residues;

Heat sealing (RF/thermal welding) bonds thermoplastic films and coated textiles at the material level and tends to give very clean waterproof joints for fully welded constructions.

Zipper failure on a custom backpack most often traces to the slider, teeth (or coil), zipper tape, or stitching; inspect these components in sequence and

Fabric tensile testing for backpack straps measures breaking strength, elongation, and seam performance to ensure safety and durability for users in Berlin and across Europe.