Height-Adjustable Wobble Chair for Ages 12-18, Black, 55-72 cm, 120 kg CapacityWobble Chair Height Adjustable (21. 7 28. 3") Active Chair Age 12 18 Black Flexible Active Chair 360 Rocking Design Strong Weight Capacity Excellent Grip Versatile Use Easy Assembly and Mobility Height Adjustment: 21. 7 28. 3 in 55 72 cm,Weight Capacity: 264. 6 lbs 120 kg,Color: Black,Product Model: PS 0004,Material: Plastic, Fabric, Iron,Product Dimensions: 15. 4 15. 4 (21. 7 28. 3) in 390 390 (550 720) mm,Net Weight: 16. 8 lbs 7. 6 kg,Tilt Angle: 8