STYLISH & MODERN: Soft touch PU seat and back with black frame for style as well as comfort ADJUSTABLE: Lock tilt mechanism allows for the tilt to be free floating or locked in the upright position and for seat height adjustment. Tension control knob to adjust tilt tension to best suit the user's body weight ARM SUPPORT: Fixed arms provide added support and comfort 5 YEAR GUARANTEE: 5 year component and 2 year upholstery guarantee. Certified for users up to 115 kg and up to 8 hours daily use. Dimensions (W x D x H): 68 x 68 x 90.5 to 100 cm. Seat height 44 to 53.5 cm, arm height from seat 22 cm and from floor 66 to 75.5 cm MAKE YOUR OFFICE HOME: Office Hippo offers a wide range of office furniture including office desks & office chairs to help make your space as work friendly as possible