The Sportime Ultimax Therapy Ball is a great addition to any physiotherapy or rehabilitation program. This light green ball has a diameter of 50 inches, making it suitable for exercises that require a wider range of motion. The ball is made of high-quality material that is durable, puncture-resistant, and able to withstand heavy use. What I like about this therapy ball is its effectiveness in improving flexibility, strength, and balance. The ball is large enough to provide a challenging workout See full review