Fitness Mad 500Kg Studio Professional Fitness Swiss Ball Only - 75cm Graphite Fitness-Mad& 39;s Studio Pro Swiss Ball is rated at a massive 500Kg and is one of the toughest balls available. Our gymballs 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. Product Features Size - 75cmRecommended user height - best for people 5& 39;10 and underWeight - 2.1kgMaterial - 6 Phthalate and Heavy Metal Free PVCSafety Tests - SGS Labs tested as burst-resistant at 750Kg load. Rated as suitable for 500Kg load SGS Labs tested with a static load of over 1.7 tons without failure.Please Note - this gym ball is unboxed and no pump or free workout guide is supplied Model FBALLSP75G