Color box The Mambo Max AB (Anti-Burst) Gym Ball increases flexibility, improves strength, fitness and posture. Exercising with this ball also enhances your balance and coordination.All Mambo Max Gym Balls are Anti-Burst: in case the ball gets punctured by a sharp object the ball won?t burst, thus reducing risk of injury.This extremely durable Mambo Max AB Gym Ball comes in a Mambo Max cardboard retail pack, including AB Gym Ball, Faster Blaster Pump, Exercise Chart, Plug and Plug Remover.The Mambo Max AB Gym Ball is now also available in the budget pack: a polybag containing only the ball and plug.Ecofriendly pvc – Heavy metal content in compliance with EN 71 Standards – Phthalates content meets EU-directive 2005/84/EC.Max. User Weight: 350 kg