Waterproof, crush-proof and dust-proof. Easy open double throw latches. Open cell core with solid wall design - strong, lightweight. O-Ring seal. Automatic pressure equalization valve. Stainless steel padlock protectors. Comfortable rubber over-molded handle. Pick 'N' Pluck with convoluted lid foam. Lifetime guarantee of excellence. Retractable extension handle. Strong polyurethane wheels with stainless steel bearings. 17 1/8" W x 7 1/2" H x 16" D.