Large capacity backPack cooler: Size 14.1x9.8x17.3 inches; Weight: 1.8 pounds / 845g. can hold up to 36 cans(330ml);Roommy enough to Pack all what you need for any outdoor activities. and easy to clean. BackPack coolers insulated leak proof: we adopt 600D Oxford high-density EVA insulated foam. and we thicken the leak-proof PEVA liner. tightly press the liner via seamless hot pressing. all these premium materials and high-tech seamless process work together to make sure these coolers both anti-leaking and can keep cold last for 18 hours with ice Packs inside. Furthermore.600D ventilate exterior Oxford insulated foam can avoid your clothes getting wet by the condensation. Cooler backPack insulated waterproof with multifunctional compartments:1 large insulated cooler compartment for ice drinks like beers. coke. and foods like sandwichesfruits. and snacks. etc.; 1 insulated zipper pocket on the lid to separate items for quick access; 1 front bag to hold tableware ( plus 1 mesh zippered pocket inside to organize other necessities; 1 out zippered pocket for small items); 2 side elastic pocket for bottles. 1 beer opener for your convenience. Reinforced details make this insulated backPack comfortable sturdy: With ergonomically padded breathable back and the widened adjustable shoulder strapsit can effectively reduce the pressure on the shoulder and back. and help keep stability during hiking.Furthermorethe handle is thickened and widened for easy carry. Multiple Uses: The portable cooler backPack bag can not only be used as a lunch box for work. but it could also play good roles as camping coolers. beach coolers. hiking dayPack s. fishing bag. picnic bags. etc.