Keep your cool.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 coldWatertight TRU®Zip zipper and welded seams ensure leakproof transportLightweight cold-retaining technology600D polyester shell is durable lightweight and waterproofPadded mesh back panelPadded shoulder strapsCompression molded base for unsupported self-standingWoven sternum strap and carry handlesLaser cut welded loops easily attach Hydro Flask Dry Storage accessoriesThis product can expose you to dimethylformamide a carcinogen. See www.P65Warnings.ca.gov