DXRacer USA Special Editions DOH/KS186/IWR/USA3 Racing Bucket Seat Office Chair X Large Pc Gaming Chair Computer Chair Executive Chair Ergonomic Desk Chair Automotive Rocker Pillows X Large and wider design 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 4D adjustable armrests, Multi-functional Mechanism, Wide aluminum star base with latest footrests Adjustable lumbar pillow and head/neck pillow included