All the benefits of the original; plus the specially formulated compound SDS (Slpw Deflate System) that allows ball to deflate in 8-10 minutes when punctured under a constant load of 250 lbs. that will increase safety and reduce the risk of injury to users
Designed for users that need the extra margin of safety when exercising, such as pregnant women and the elderly
Ideal for the demands of fitness applications that involve dynamic aerobic activities