DXRacer King Series DOH/KS00/NW/ZERO Newedge Edition Racing Bucket Seat Office Chair Gaming Chair Ergonomic Computer Chair Esports Desk Chair Executive Chair Furniture with Pillows(Black/White) 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 3" double caster wheels, for easy rolling 90 degree 4D armrests, rocking function, heavy duty aluminum star base with the latest footrests Adjustable lumbar pillow and head/neck pillow included