Features

• - A new full-color, instruction guide with the most up-to-date exercise positions is included
• - Gradual deflation time of 8-10 minutes when punctured under a constant load of 250 lbs
• - Provides an extra margin of safety for users such as pregnant women and the eldery
• - Available in four sizes to accommodate users from 4' 7" to 6' 8" tall
• - Clinic packaging (in polybag, not retail box). Pumps sold separately.

Sizes

• 5′ 1″ to 5′ 6″ to use 55 cm ball.
• 5′ 7″ to 6′ 1″ to use 65 cm ball.
• 6′ 2″ to 6′ 8″ to use 75 cm ball.