Burst Resistant Swiss Ball with a load rating of 300kg. Perfect for Fit Ball workouts, yoga, Pilates or physiotherapy and can be use as a chair to aid with postural problems. No pump or DVD supplied. Size: 55cm ball Weight: 1100g Safety Tests: Rated as suitable for 300Kg load. SGS Labs tested as burst-resistant at over 500Kg static load. SGS Labs tested with a static load of over 1.5 tons without failure. To suit: those under 5'6" Colour: Blue