180? adjustable backreststeel frame with molded foam4d adjustable armrestergonomic headrest and lumbar cushionproduct dimensions: ?66 x 68 x 130 cm; 20 kilogramsproduct description:the backrest of the mag ch120 i gaming chair can reach a maximum of 180 degree of inclination, making it the perfect gaming chair for the most intense gaming sessions or the most laid back relaxations. it has painted steel that can prevent rust in the long run. it comes with 4d adjustable armrests that can be altered for the most comfortable position for players' forearms. the headrest pillow and lumbar support cushion provide gamers an ergonomic sitting experience by reducing the pressure in neck and lumbar areas. it is equipped with a certified class 4 gas lift piston.