Color Black / Blue Foam Type High Density Foam Foam Density 60-65 Kg/M³ Frame Construction Metal + Wood Chair Cover Material PVC Adjustable Armrests 2D Armrest Pad Size 10.6"L X 3.9"W Mechanism Type Buttfly Machanism Tilt Angle Lock Yes Gas Lift Class 4 Chair/Seat Back Style High Back Adjustable Back Angle 160° Adjustable Lumbar Cushion Yes Adjustable Headrest Yes Base Type 5-Star Aluminum Base Caster Size & Material 60mm Caster/PU Assembly Required Yes Seat Size 55.1H*21.7W*16 Maximum Seat Height 20.87" Minimum Seat Height 16.93" Maximum Chair Height 52.56'' Minimum Chair Height 48.23'' Maximum Seat Depth 15.7'' Minimum Seat Depth 14.08'' Maximum Seat Width 14.6'' Minimum Seat Width 14.34'' Maximum Arm Height 13.8" Minimum Arm Height 11" Backrest Height 55.1" Backrest Shoulder Width 21.7" Package Size 83*32.5*65CM Gross Weight 23.37kg Net Weight (Approximate) 19.5kg Recommended Weight 150 Kg Max. EAN Code 0712221786907 UPC Code 712221786907