This cooler backpack is great for hikes or a day by the beach. Backpack shell made of recycled plastic - 14 bottles per bag. Insulated cooler construction with water resistant liner. Convenient front zippered accessory pocket. Expandable mesh compartment with easy access drawstring closure. Adjustable shoulder straps and comfortable mesh underside. Buckle flap covers mesh compartment. Dimensions: 11.22" x 7.28" x 16.93".