Features:Materials:  Stainless steel base, Polypropylene frame, mesh, molded foam seatIncludes: 3D Adjustable headrest and lower lumber supportArmrests: 3D - Height, Forward/Back, rotation adjustmentMechanism: Multi-function with 3-position lockGas Strut: Class 4Upholstery: Commercial grade mesh Colours: BlackWeight Rating: 120KGCertifications: BIFMA, TUVProduct Dimensions:Overall: 72cm W x 72cm DMaximum Overall Height: 120cmMinimum Overall Height: 113cmMaximum Seat Height - Top to Bottom: 52cmMinimum Seat Height - Top to Bottom: 45cmOverall Product Weight: 17 KilogramsAssembly Required: YesProduct Warranty: 36 Months Limited