Sourcing guides
Original articles on supplier evaluation, materials, quality control and preparing a useful sourcing brief.
Browse by industry
Waterproof backpacks, roll-top bags and travel duffels: construction, access and gear organization.
Purchasing decisions
A bag used after water sports or at a beach may carry damp equipment alongside items the user wants to keep dry. Start by defining that separation problem. For a Weierken waterproof-bag project, show the load and access sequence rather than assuming any added pocket solves it.
Read guide →
Bag procurement and development
Check the packed load, closure allowance and carry shape before choosing the nominal capacity of a roll-top bag.
Read guide →
Bag procurement and development
Document the base fabric, coating, appearance, construction compatibility and approved reference for a TPU bag material.
Read guide →
Bag procurement and development
Define zipper location, access, operating conditions and verification scope before approving a waterproof bag opening.
Read guide →
Bag procurement and development
Review seam location, attachment details and finished-bag verification when comparing welded and sewn waterproof bag construction.
Read guide →
Pocket layout
Plan a waterproof bag around the items users carry, which pockets they open frequently and the protection required for each compartment.
Read guide →
Waterproof engineering
Waterproof performance comes from the complete system: fabric, seams, closure, hardware and test method.
Read guide →