Product Number : Black: CMI-GCE1-BK Color  Black  Total Height Range  114-122 cm / 44.9"-48.0" Backrest Height  74 cm / 29.1" Backrest Width  53 cm / 20.9" Armrest to Armrest  68 cm / 26.8" Seat Width ( including sides)  54 cm / 21.3" Sitting Area 54 cm / 21.3" Seat Depth  51 cm / 20.0" Diameter of Base  70 cm / 27.6" Floor to Seat Top  45-53 cm / 17.7"-20.9" Height Adjustability  8 cm / 3.1" Recline  90-135 degree Armrest  Fixed Headrest Ergonomic Pillow Lumbar Support  Ergonomic Outer Material  Perforated PU Inner Material  High Density Foam Frame Material Plywood Base (leg)  Nylon Caster  60 mm / 2.4" Gas Lift  Class 4 Net Weight  17.6 kg / 38.8 lbs Gross Weight  20.1 kg / 44.3 lbs Max. Weight Load  120 kg / 265 lbs Product  Gaming Chair Chair Type  Caliber E1 Series