DXRacer Racing Bucket Seat office chair X large DOH/KF57/NB Newedge Edition PC gaming chair computer chair executive chair ergonomic rocker With Pillows(Black/Blue) 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 Fully adjustable armrests rocking function, heavy duty aluminum star base with latest footrests Adjustable lumbar pillow and head/neck pillow included