This multi-function task chair is made with SereneSoft fabric on the seat and a mesh back. The chair offers a 3 paddle multi-function mechanism which allows one to adjust the seat and back to lock in any position throughout the tilt range. With the comfort this chair provides you will be wanting to stay in your office chair all day and get work done. Available for Online Purchase Only. Assembly required. This product ships direct from the manufacturer, so RC Willey Delivery is not available. Contemporary ergonomic mesh back designed to provide exceptional back support and to prevent body heat and moisture build-up Ratchet back with active lumbar support 3 paddle multi-function tilting mechanism Adjustable tilt tension control Large 27" black nylon base for greater stability Height and width adjustable arms Seat tilt lock allows the seat to lock throughout the tilt range Pneumatic gas lift seat height adjustment Hooded double wheel casters Chair Base: Nylon 27 Inch Casters: Dual Wheel Nylon 2 Inch