BodyWorx Anti-Burst Gym Ball: high-quality & durable fitness ball, that improves balance, stability & core strength. Supports up to 120kg weight. Gym ball improves posture by engaging core muscles & balance, relieving tension in the back & neck. The BodyWorx Anti-Burst Gym Ball comes in a vibrant red color and measures 55cm in diameter, making it a great size for most adults. It also comes with a hand pump for easy inflation and deflation, so you can easily adjust the firmness of the ball to suit your needs. Anti-Burst Gym Ball Features Dimensions: 55 cm Colour: RedDVD & 5” Foot PumpCan be used for a variety of exercises, including yoga, Pilates, and strength training.