The open mesh design creates a breathable, well-ventilated backrest which helps align the spine and reduces pressure and muscle fatigue. The BIFMA Class 3 gaslift feature which allows for seat height adjustment is long lasting, strong and able to support loads with a weight up to 90kg. Smooth & durable casters provide great mobility, suitable for office and home use. Assembly required, comes with instruction manual. Available in black. Color : Mesh Black Material : Mesh back With Fabric Seat Mechanism : Reclining Mechanism With ''1'' Locking System Armrest : Fixed Armrest Gas Lift : Imported Gas Lift Chair Base : Polyproylene Base Castor : Heavy Duty Twin Wheel Castor Seat & Back : High Density '' Moulded '' Injected Foam