This unique and innovative insulated backpack is perfect for any outdoor activity, including day trips, hiking, the beach, sporting events, and fishing. The insulated bag is divided into two sections: the top mesh section with drawstring closure is designed to hold clothing, towels, and more, while the bottom section is an insulated cooler featuring Thermo-Guard that keeps food hot or cold for hours. The cooler section has a heat-sealed waterproof lining to eliminate leaks. The backpack also has one large zipper pocket which keeps your essentials and valuables close at hand. The exterior is made from nylon doby and features comfortable air mesh shoulder straps. Measures 20" L x 10" W x 5" D. Limited lifetime warranty against defects.