DXRacer DX Racer DOH/IS132/N Black Racing Bucket Seat Office Chair Racing Style Ergonomic Computer Chair Comfortable Desk Chair Rocker Ergonomic design-- more efficiently and comfortably, Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material: Strong Mesh Extra higher backrest to save neck and spinal, Flexible seat back with adjustment 904D armrests with adjustment protect shoulder and wrist Lifetime warranty on frame, 24-month warranty on parts 90 4D Arms Multi-functional Mechanism Strong Aluminium Base Strong Mesh 3&#034; PU Casters