Waterproof, crush-proof and dust-proof. FAA maximum carry-on size. Retractable extension handle. Strong polyurethane wheels with stainless steel bearings. Easy open double throw latches. Open cell core with solid wall design ? strong, lightweight. O-Ring seal. Automatic pressure equalization valve. Stainless steel hardware and padlock protectors. Comfortable rubber over-molded handle. Pick N Pluck with convoluted lid foam. 1510-000-110