DXRacer Racing Series DOH/RZ177/NBW/OBEY Newedge Edition Racing Bucket Seat Office Chair Gaming Chair Ergonomic Computer Chair eSports Desk Chair Executive Chair Furniture Pillows Ergonomic design-- more efficiently and comfortably, Free bonus: headrest cushion & lumbar cushion Patent race car seat breathable material:PU cover Conventional Tilt Mechanism, Flexible seat back with adjustment 3D Adjustable Arms Inlaid Color Bar Base, 2" Casters