Cooler Backpack

Cooler Backpack. 
Large capacity，Free your hands,the perfect companion for outdoor.
100% Leakproof, Fully waterproof lining, more suitable for all-scene use than normal shoulder bag
Humanized design, dedicated to creating the most comfortable outdoor experience.
Not limited to outdoor camping, picnic, but also suitable for sports events, supermarket purchases and so on, giving you the best experience.