1610EU Protector CaseInterior: 551 422 268 mm Exterior: 628 497 303 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