1620EU Protector CaseInterior: 543 414 319 mm Exterior: 630 492 352 mm Strong polyurethane wheels with stainless steel bearings Watertight, crushproof, and dustproof Open cell core with solid wall design strong, light weight Retractable extension trolley handle Easy open double throw latches Fold down handles Stainless steel hardware and padlock protectors Automatic pressure equalization valve balances interior pressure, keeps water out O ring seal Made in Germany