Ergonomic kneeling chair with black polyacrylic upholstery on the seat and knee-rest, and a steel frame on twin-wheel castors. When you sit on a kneeling chair your back is automatically placed in a position where it naturally adopts the ideal s-shape of a balanced healthy spine. The sitting position is active and can help you avoid back pain. Ideal for light computer use at home or in the office. CHAIR STABILITY Stability is provided by the solid steel base with easy-roll castors. SEAT HEIGHT ADJUSTMENT Seat height and angle are adjustable via a ratchet system. CHAIR SIZE Knee Cush Depth = 19.5cm Knee Cush Width = 45cm Seat Width = 39cm Seat Depth = 29cm Seat Height = 43 - 67cm Overall Width = 44cm THE CHELLGROVE ADVANTAGE • Clear Pricing • Free Next-Day Delivery • 30-Day Money-Back Guarantee • Click here for details FEATURES: Padded Seat and Knee-rest, upholstered in polyacrylic fabric for durability Steel frame with twin-wheel castors Naturally assures correct sitting position for users with some types of back problem Angle and height adjustment for maximum comfort Move smoothly on the steel base with easy-roll castors Ideal for light office use in the workplace or at home Weight rated to 200lbs Colours: black only Some simple self-assembly is required. GUARANTEE: Teknik one-year mechanical parts replacement warranty (excluding foam and fabric, wear and tear). The manufacturer reserves the right to modify and improve the product without notice. QUALITY CONTROL: All foams used are combustion-modified fire-retardant. Flammability conforms to: BS EN 1021-1 1994 (cigarette) BS EN 1021-2 1994 (match) BS 5852 Part 1 Ignition Sources 0 & 1 BS 7176 1995 Low Hazard Free Delivery (1 - 2 working days) - Or tell us what day you want it!