This soft-sided backpack cooler keeps things cold for 36 hours, holds 36 cans without ice, and is your beach cooler, hiking cooler, picnic cooler—everything cooler. The padded back and straps are comfortable and the materials outdoor durable, so load up and go. 36 hours cold Watertight TRU®Zip zipper and welded seams ensure leakproof transport Lightweight cold-retaining technology 600D polyester shell is durable, lightweight and waterproof Padded mesh back panel Padded shoulder straps Compression molded base for unsupported self-standing Woven sternum strap and carry handles Laser cut welded loops easily attach Hydro Flask Dry Storage accessories BPA-Free Up to 36 hours cold Lightweight insulation Attaches to Hydro Flask gear