DXRacer Origin Series DOH/OC168/NE Racing Bucket Seat Office Chair Gaming Chair Ergonomic Computer Chair eSports Desk Chair Executive Chair Furniture With Pillows (Black/Green) Ergonomic design-- more efficiently and comfortably, Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material: Strong Mesh+PU Extra higher backrest to save neck and spinal, Flexible seat back with adjustment Special armrests protect shoulders and wrists Lifetime warranty on frame, 24-month warranty on parts Unadjustable Arms Conventional Tilt Mechanism Nylon Base Strong Mesh and PU cover 2&#034; Caster