SmartTravel4Less Outdoor Sport Hiking Beach Backpack with Cooler On Bottom, Black 100% Other Fibers Material: 600D polyester w/heavy vinyl backing Deluxe Backpack with size pocket and Mesh pocket for water. Padded backpack strap. Zipper Main compartment and zipper pocket on front. Cooler on the bottom to keep your food fresh. Dimension: -12- W x 18- H x 8- D