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. Available in blue, green, charcoal and burgundy. Ideal for light computer use at home or the office. (No more than 3 hours per day.) CHAIR STABILITY Stability is provided by the solid wood 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 = 29.5cm Seat Height = 54 - 63.5cm Overall Width = 44cm THE CHELLGROVE ADVANTAGE •     Clear Pricing •     Free Next-Day Delivery •     Free Money-Back Guarantee •     Click here for details FEATURES: Padded fabric Seat and Knee-rest Light wood 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 solid wooden base with easy-roll castors Ideal for light office use in the workplace or at home (up to 3 hrs per day) Weight rated to 200lbs (90kg) Classic European design in solid wood Colours: blue, green, charcoal and burgundy. Some simple self-assembly is required. GUARANTEE: Teknik one-year mechanical parts replacement warranty (excluding foam and fabric, wear and tear). The manufacturer reseves 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!