Anti-burst - made with thick and durable materials. We put your safety as a top priority during manufacturing. Slip resistant - commercial grade material provides an excellent slip resistant experience while caring for your safety. It help you build strength, tone your muscles, greatly increase your flexibility and also improve your balance. Easy to clean - our fitness ball is easy to clean with just a soft damp cloth. Package Content: 1 Gym Ball with Foot Pump, Gym Ball Diameter is 65CM,55CM,75CM.