OCEAN & EARTH FREEZE BACKPACK-INSULATED COOLERDescription Keep your stuff cool with the Freeze Backpack from Ocean and Earth. This cooler bag features an adjustable shoulder strap, inner mesh pockets and waterproof seams. At 30 litres this cooler bag is the perfect companion for your next surf adventure. Features: Internal welded waterproof seams Full bladder one seem but 99% waterproof Fits 12 bottles of beer, 2 bottles of wine Inside mesh pockets Adjustable back pack straps Medium sized