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About product and suppliers:
        Alibaba.com offers 12,914 waterproof big bag products. About 10% of these are backpacks, 4% are cosmetic bags & cases, and 4% are travel bags. 

A wide variety of waterproof big bag options are available to you, such as breathable, un, and conductive. You can also choose from cross corner loop, double stevedore strap, and fully belted loop. As well as from 5:1, 3:1, and 6:1. And whether waterproof big bag is flat bottom, with spout, or conical bottom. 

There are 12,977 waterproof big bag suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Hong Kong, and Vietnam, which supply 99%, 1%, and 1% of waterproof big bag respectively. 

Waterproof big bag products are most popular in North America, Western Europe, and South America. 

You can ensure product safety by selecting from certified suppliers, including 1,726 with Other, 1,604 with ISO9001, and 431 with BSCI certification.