Extra large contemporary executive computer chair with unique "flexing" movement. The backrest and arms of the FLEX Ergonomic Computer Chair have been uniquely engineered to flex naturally to follow every move that you make while seated. The seat, the backrest and the arms are also all height-adjustable to suit your particular body-build. A great chair for computer, home and office use. CHAIR STABILITY Stability is provided by a large aluminium base. SEAT HEIGHT ADJUSTMENT Adjust the height of the seat with a single touch via a pneumatic gas-lift which also allows it to swivel smoothly. CHAIR RECLINE Recline the chair at a tension that is adjustable to suit your individual body weight, or lock it in the upright seated position. The backrest will flex gently and reassuringly, even when locked upright. CHAIR SIZE Back Height = 60cm Back Width = 43cm Seat Width = 48cm Seat Depth = 53cm Seat Height = 40 - 53cm FEATURES: THE CHELLGROVE ADVANTAGE •     Clear Pricing •     Free Next-Day Delivery •     Free Money-Back Guarantee •     Option of Soft Castors for Wood Floors •     Click here for details The special medium-height living-sprung Backrest flexes gently to give extra support to your back The Backrest and Armrests are height adjustable, to give further comfort to your back and arms. Adjust the height of the backrest to achieve your optimum lumbar support The Seat and Backrest are faced in fabric One touch seat height adjustment via pneumatic gas-lift Enjoy the chair in 'free-float' recline or locked in the upright seated position Adjust the backrest recline tension to suit your body weight Swivel smoothly on the large aluminium 5-star base with easy-roll castors Colour: Black seat and Blue or Burgundy back Some simple self-assembly is required. FLEX (Blue) FLEX (Burgundy) "The FLEX Chairs arrived on Thursday and were very easy to put together. They look great." - Alistair N. in Leicestershire, 05 January 2008. 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 The Gas Lift is heavy duty, stress load tested to 154 kilos (25 stones). Free Delivery (1 - 2 working days) - Or tell us what day you want it!