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About product and suppliers:
        Alibaba.com offers 8,755 best waterproof backpack products. About 49% of these are backpacks, 5% are school bags, and 1% are other swimming & diving products. 

A wide variety of best 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 free samples, paid samples. 

There are 8,821 best waterproof backpack suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and India, which supply 98%, 1%, and 1% of best waterproof backpack respectively. 

Best 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 1,008 with ISO9001, 883 with Other, and 526 with BSCI certification.