Specifications Color: Black, Blue, Silver Style: Modern Material: Carbon Steel, PVC, PE, TPR, Iron, Sponge Process: Baking Paint, Galvanized with White Zinc Coating Assembly Required: Yes Mount Type: Floorstanding Wheel Type: 4* Universal Wheels (All with Brakes) Load-bearing Capacity: 150kg/330.69lbs Main Frame Pipe Diameter: 25.4mm/1in Pipe Thickness: 0.85mm/0.03in Seat Size (Width*Depth): 54*42cm/21.26*16.54in Seat Adjustable Height: 46-52cm/18.11-20.47in (3 Gears) Height from Armrest to Seat Cushion: 22.5cm/8.86in Height from Backrest to Seat Cushion: 52cm/20.47in Height from Top Handle to Ground: 98-104cm/38.58-40.94in (3 Gears) Height from Seat to Footrest: 30.5cm/12.01in Footrest Size: 53*24cm/20.87*9.45in Package Size: 77*54*20cm/30.