Two thirty minute workouts on DVD demonstrate how to use the stay ball most effectively
5 Lb. Weight
The StayBall is designed to be used as a 5 lb. weight during your workout
The StayBall is weighted so it doesn't roll away during your workout.
California Prop 65 Warning
WARNING: This product contains one of more chemicals known to the State of California to cause cancer, birth defects and other reproductive harm, including DEHP, a phthalate chemical.