DXRacer Drifting Series DOH/DM166/NB Office Chair Gaming Chair Ergonomic Computer Chair eSports Desk Chair Executive Seat Furniture With Pillows (Black/Blue) Ergonomic design-- more efficiently and comfortably,Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material:Leather Style Vinyl and PU Extra higher backrest to save neck and spinal, Flexible seat back with adjustment 3D Adjustable Arms with adjustment protect shoulders and wrists Lifetime warranty on frame, 24-month warranty on parts 3D Adjustable Arms Conventional Tilt Mechanism Inlaid Color Bar Base Leather Style Vinyl and PU 2&#034; Caster