Stability Ball Desk Chair with Wheels & Back Support

Ergonomic stability ball desk chair has a black 55cm anti-burst medicine ball. The base is constructed from durable black plastic with four rolling caster wheels and a built-in back support. This RENLXFI model has a weight capacity of 660 lbs and includes a metal bar to secure the ball in the stand. Estimated (WxDxH): 21 x 21 x 31 in. Pick Up Sw Calgary in Montreux (near 17 Ave Sw & 85 street)