DXRacer King Series Big and Tall Chair DOH/KS06/NB Racing Bucket Seat Office Chair Gaming Chair Ergonomic Computer Chair Esports Desk Chair Executive Chair Furniture 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 3" double caster wheels, for easy rolling 90 4D Arms, rocking function, Strong aluminum star base with the latest footrests Lifetime warranty on frame, 24-month warranty on parts 90 4D Arms Multi-functional Mechanism Strong Aluminium Base Carbon Look Vinyl and PU cover 3&#034; PU Casters