The Core Fitness Balance Ball (65cm) is a great way to get an amazing core workout or add a new challenge to traditional exercises. Perfect for yoga, pilates, physical therapy and weight training at home, this core fitness ball comes with an exercise guide so you can get started quickly. Made of anti-burst, latex-free PVC and holds up to 300 lbs. Includes Hand pump to inflate ball. 65cm ball recommended for heights 5'6" to 5'11".