DXRacer Formula Series DOH/FD101/N Newedge Edition Office Chair Gaming Chair Ergonomic Computer Chair eSports Desk Chair Executive Chair Furniture With Pillows (Black) Ergonomic design-- more efficiently and comfortably,Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material strong mesh and PU Extra higher backrest to save neck and spinal, Flexible seat back with adjustment Special soft armrests with adjustment protect shoulders and wrists Lifetime warranty on frame, 24-month warranty on parts Adjustable Arms Conventional Tilt Mechanism Nylon Base Strong Mesh and PU 2&#034; Caster