[Ergonomic] Ergonomic task chair, Padded seat and back for all-day comfort and support [Adjustable] Pneumatic seat-height adjustment; 360-degree swivel [Durable Fabric] Covers both the padded seat cushion and the contoured-for-support back cushion of the chair [Dimension] Measures 65 D x 61 W x 87.5-98 H cm 110 kg maximum weight capacity; assembly instructions included Fitted with pressure rollers which do not allow the chair to move if not sitting