Fitness-Mad's Studio Pro Swiss Ball is rated at a massive 500Kg and is one of the toughest balls available. Our gym balls have been extensively tested by SGS Laboratories for burst-resistance and static loading. Perfect for clubs, gyms, studios as well as weight training, Fit Ball workouts, Yoga, Pilates or physiotherapy.
- SGS Labs tested as burst-resistant at 750Kg load. Rated as suitable for 500Kg load. SGS Labs tested with a static load to over 1.75 tons without failure.
- Never leave the Swiss Ball near a heat source.