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About product and suppliers:
        Alibaba.com offers 7,750 best waterproof backpack products. About 43% of these are backpacks, 6% are laptop bags, and 1% are blackout fabric. 

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

There are 7,769 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 854 with ISO9001, 808 with Other, and 422 with BSCI certification.