Seat Back Material Soft Fabric Seating Surface Material Soft Fabric Seat Frame Construction Steel Seat Foam Density 50±5kg / m^3 Seat Frame Color Black Seat Foam Type PU Color CHARCOAL/GRAY Warranty 2 Year Minimum Seat Height 48cm Adjustable Lumbar Pillow Yes Chair Base Material Nylon Seat Size 49cm x 54cm (D x W) Wheel Size 65mm Adjustable Neck Pillow Yes Weight Capacity 264 lbs / 120 kg Gross Weight 26.73 Backrest Height 85cm Net Weight 21.3 Backrest Shoulder Width 54cm Maximum Arm Height 72.5cm Minimum Arm Height 64.5cm Armrest Type 4D (Up/Down, Left/Right, Front/Back, Swivel) Maximum Seat Height 58cm Gas Lift Class Class 4 Grade Height Adjustability 100mm Adjustable Back Angle 90-160° Recline Yes Tilt Angle Lock No Gas Lift Specification 0-100mm Tilt Lock Yes Adjustable Tilt Angle 0-10° Tilt Yes Adjustable Armrests Yes Armrest Pad Size 27cm x 10cm x 2.65cm Weight 26.73