FEATURES : Material : Polyester Fabric, Cold Foam, PU, Nylon, Steel Finish : Black And Grey This office chair is tested by SGS according to EN12520, report no. AJHL 1706002799FT; the 5-star base with a diameter of 70 cm is reliable and with a maximum load capacity of 150 kg Its curvature of this 360 swivel chair fits the body Adjustable tilt mechanism allows you to reduce fatigue; the seat height is adjustable from 46 cm to 56 cm, all screws are anti-loosening This swivel chair comes with a padded seat and a headrest, both of which are filled with foam. Two soft armrests are wrapped in smooth and hard-wearing synthetic leather Additional screws and beavers are provided for replacement. All screws needed are numbered and provided in the package; the maximum static load is 150 kg Available at an affordable price Images shown are for illustration purpose only DIMENSIONS : Total Height : 124cm to 132cm Total Width : 68cm Total Depth : 66cm Seat Height : 43cm to 51cm Available Seat Width : 31cm to 36cm Available Seat Depth : 49cm Height of Armrest (from seat) : 18cm to 28cm Height of Backrest : 85cm Width of Backrest : 60cm Diameter of Base : 70cm Diameter of Castors: 60mm Diameter of Castor Stem : 11mm