[Product Information]

• Lightweight, hard plastic chair base with backrest
• Four wheel casters for ease of maneuverability (two of which lock in place)
• 17 inch rubber balance ball, as used for core and strengthening exercises
• Product Dimensions: 23"(l) x 21"(w) x 31"(h); balance ball height (weight in base): 23"; product weight: 11 lbs.; balance ball diameter: 20"
• Suggested user height: 5' 2" - 6' 2"; weight capacity: 300 lbs