Interior Dimensions: . . 19.75" x 11.00" x 7.60" (50.1 x 27.9 x 19.3 cm) . . 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, light weight. . O-ring seal. . Automatic Pressure Equalization Valve. . Comfortable rubber over-molded top and side handles. . Stainless steel hardware and padlock protectors. . Pick N Pluck™ with convoluted lid foam. . Personalized nameplate service available. . Lifetime Guarantee of Excellence. . Watertight, crushproof, and dust proof