1660EU Protector CaseInterior: 716 502 448 mm Exterior: 800 581 483 mm 4 strong polyurethane wheels with stainless steel bearings Large 2 person fold down handles Watertight, crushproof, and dustproof Open cell core with solid wall design strong, light weight Retractable extension trolley handle Easy open double throw latches Stainless steel hardware and padlock protectors Automatic pressure equalization valve balances interior pressure, keeps water out O ring seal Made