MORGAN GYM BALL - 55cm Whether you use our exercise gym ball as an alternative seat or a training tool, it will help improve posture and strength. It also helps increase the body's flexibility and balance. Designed for commercial use, our gym balls are made from a robust anti-burst latex rubber that can withstand up to 125kg of body weight. Our gym ball comes with a foot pump and spare nozzle. This is definitely a great addition to any commercial gym's list of must-have equipment. Perfect for yoga, pilates or warm-ups Anti-burst synthetic rubber Smooth, comfortable surface Supports up to125kg Foot pump Size of 55cm in diameter when fully inflated