DXRacer Formula Series DOH/FD99/NW Newedge Edition Racing Bucket Seat Office Chair Computer Seat Gaming Chair Ergonomic Desk Chair Rocker Pillows(Black/White) Ergonomic design-- more efficiently and comfortably,Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material: PU Extra higher backrest to save neck and spinal, Flexible seat back with adjustment Special adjustable soft resilient armrests protect shoulders and wrists Lifetime warranty on frame, 24-month warranty on parts Adjustable Arms Conventional Tilt Mechanism Nylon Base PU cover 2&#034; Caster