Dimensions by Inches: Length x Width x Height 21x20x34H Description: KD, Arm Office Chair w/Swivel (360 Degrees) Adjustable Height: 5 Inches (Metal Gas Lift, 120mm) Padded SEAT: PU Cushion Backrest & Armrest: Wooden Curved Bucket Shape Backrest Metal 5-Star Base w/Casters: Chrome Finish, Size: 12"H (300mm) Color: Black PU & Beech Finish Materials: Metal, Wood, Upholstered (Seat), Casters