Lighter for easier transport, while still incredibly tough Permafrost insulation is capable of keeping ice for days. Interlocking design with hinge pins prevents snapping or breaking Specs Outside:  17 1/2" x 16 1/2" x 15 1/4" Inside:  8 1/8" x 13 1/4" x 10 7/8" Empty weight:  12.8 lbs