The Champion Sports Therapy Ball Base is a versatile accessory that enhances the functionality of your exercise ball. Designed to provide stability for balls 65 cm and larger, this black base transforms your ball into a stationary platform, perfect for a wide range of static exercises and workout routines. Its sturdy construction eliminates the risk of the ball rolling away, allowing you to focus on your core engagement. Beyond fitness, you can even turn your exercise ball into an office chair for an all-day core workout.