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About product and suppliers:
        Alibaba.com offers 185,182 waterproof backpack products. About 59% of these are backpacks, 4% are school bags, and 1% are other swimming & diving products. 

A wide variety of waterproof backpack options are available to you, such as backpack, softback, and external frame. You can also choose from 50 - 70l, 30 - 40l. As well as from pvc, polyester, and 600d. And whether waterproof backpack is free samples, or paid samples. 

There are 185,045 waterproof backpack suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and Hong Kong, which supply 98%, 1%, and 1% of waterproof backpack respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 29,824 with ISO9001, 20,769 with Other, and 13,434 with BSCI certification.