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About product and suppliers:
        Alibaba.com offers 5,212 waterproof backpack cooler bag products. About 49% of these are cooler bags, 2% are picnic bags, and 1% are shopping bags. 

A wide variety of waterproof backpack cooler bag options are available to you, such as thermal, insulated, and basket. You can also choose from non-woven, aluminum foil, and 600d. As well as from food, wine, and cans. And whether waterproof backpack cooler bag is free samples, or paid samples. 

There are 5,184 waterproof backpack cooler bag suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Pakistan, and Singapore, which supply 99%, 1%, and 1% of waterproof backpack cooler bag respectively. 

Waterproof backpack cooler bag products are most popular in North America, Western Europe, and Northern Europe. 

You can ensure product safety by selecting from certified suppliers, including 649 with ISO9001, 548 with BSCI, and 484 with Other certification.