DXRacer Formula Series DOH/FH08/NE Newedge Edition Racing Bucket Seat Office Chair Gaming Chair Ergonomic Computer Chair (Black/Green) Pillows Latest design, adjustable lumbar pillow and head/neck pillow included Backrest is high and straight for great head support;Flexible seat back with adjustment 360-degree swivel base with smooth double caster wheels, for easy rolling Material: PU cover, 3D Adjustable armrests adjust to the perfect height Lifetime warranty on frame, 24-month warranty on parts 3D Adjustable Arms Conventional Tilt Mechanism Inlaid Color Bar Base PU cover 2&#034; Caster