VEVOR Wobble Chair Height Adjustable Stool for Focus and Posture Black

Height range 15.7–21.7 in fits desks. Durable PVC/ABS/iron/TPR/nylon; 10.8 lb. 360° wobble design for focus. Capacity: 105.8 lb (48 kg); Power: N/A. Blue Fabric Student Task Chair - Ergonomic Adjustable Height Swivel.