PICNIC TIME MLB Tampa Bay Rays PTX Insulated Backpack Cooler Fully insulated, water-resistant interior with 23 can capacity (0.5 cubic feet) Padded, adjustable backpack straps Numerous pockets for extra or isolated storage An attachment harness to secure onto golf carts A stretch cargo cord on exterior front to secure items such as a sweater or towel Materials: Polyester; PEVA liner