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About product and suppliers:
        Alibaba.com offers 8,116 best waterproof backpack products. About 46% of these are backpacks, 5% are school bags, and 1% are shopping bags. 

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 600d, pu. And whether best waterproof backpack is free samples, or paid samples. 

There are 8,116 best waterproof backpack suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% 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 879 with ISO9001, 821 with Other, and 433 with BSCI certification.