OEM Tooling Three Ways to Put Your Logo on a Waterproof Bag
Silk screen, heat transfer and woven labels behave differently on PVC, EVA and TPU. Here is what each method looks like after a season of use.
OEM Tooling 
OEM Tooling MOQ, Sampling and Lead Time for Custom Waterproof Bags
Why the minimum is 1,000 pieces, what happens in the 3 to 5 days before a sample arrives, and how a 30 day production run is scheduled.
Quality & Testing What We Check Before a Waterproof Bag Order Ships
Four checkpoints run on every order at our Longchuan factory, from incoming material review to the finished product check before packing.
Materials & Compliance 500D Tarpaulin vs Standard PVC Film for Dry Bags
The denier number describes the yarn inside the fabric, not the coating on top of it. Here is what it changes for a bag, and what it does not.
Technical Guides High-Frequency Welding vs Sewing for Waterproof Bags
A stitched seam is a row of holes. A welded seam is one piece of material. Which one your bag needs depends on what has to stay dry.
Technical Guides PVC or TPU? Choosing the Right Film for a Waterproof Phone Pouch
Both films are clear, both are welded, both take a logo. The difference shows up in the second season, in cold water, and on the invoice.
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Direct manufacturer pricing within 2 business hours. Standard catalog models or custom OEM/ODM tooling with 3–5 day prototypes.