FEATURES : Material : Mesh, PP Plastic, Polyester Mesh Fabric, Steel Finish : Black Large seat (51 cm wide, 50 cm deep) with high-density sponge padding allows it not to be easily deformed The mesh backrest (71cm high) with ergonomic design is breathable, and the lumbar support can relieve tension from the vertebra The armrests (the height between the armrests and the seat is 22 cm) fit very well with the arms, it is favourable to relax the arms, and the folding armrests make it easy for you to place the chair under your desk Thanks to the adjustment mechanism, the seat height (45-55 cm) and the inclination are adjustable, which helps you relax (it is suitable for people who measure within 175 cm) Thanks to the 5 support points ( 66 cm) of the star foot, therefore, the chair has great stability; gas spring (TV Rhineland: DIN4550 CLASS3, examiner: supplier) The armrests are galvanized; the swivel chair can bear the weight of up to 150kg The wheels are covered by polyurethane material, they hardly make noise, and are ideal for most floors The swivel chair is suitable for office, meeting room and study room, etc. Available at an affordable price Images shown are for illustration purpose only DIMENSIONS : Overall Height : 117cm to 126. 5cm Overall Width : 64cm Overall Depth : 55cm Seat Height : 45cm to 54. 5cm Seat Width : 51cm Seat Depth : 50cm Armrest Height from Seat : 22cm Backrest Height : 65cm Castor Diameter : 50mm Castor Stem Diameter : 11mm Base Diameter : 66cm