The NorChill BoatBag is made of a durable, anti-mildew, UV protective, water resistant, PVC tarpaulin shell. With no metal parts, this marine cooler is corrosion-free. The Dual Temp Insulation System will keep your drinks cold and your food hot. This bag will carry 24 cans and a 5lb bag of ice. The shoulder strap is removable and the bag can be rolled up for easy storage.