500lb man lifting weights on the Duraball Pro 75"

Duraball Pro 75″ Ball- 500 Lb Man lifting weights while lying on the best stability ball on the market.At Debra Stefan Fitness retreat camp the Duraball Pro is used multiple times daily by clients up to 500 Lbs. The ball holds up 365 days a year and is 1000 Lbs burst proof.