Burst Resistant! Superb Quality exercise ball, made of unique material that are burst resistant. This offers a new level of safety when using the balls. These exercise balls are made of unique material that resists tearing when punctured. This allows small punctures to be repaired and offers a new level of safety when using the balls. The worlds best burst-resistant exercise ball is the perfect solution for both professional and home use. Trusted by physical therapists and personal trainers throughout the U.S., every ability level can benefit from the stability challenge this exercise ball offers for flexibility, strength, and aerobic training. Absolutely round and weight tested to over 600 lbs., the FitBALL exercise ball is made of a unique latex-free material designed to deflate slowly if punctured. Youll feel the difference immediately when you sit on our firm, yet flexible FitBALL® exercise ball. All balls come with an air pump for inflation and Poster . Perfect for yoga and fitness centers Helps improve flexibility Strengthens and tones muscles, soft rubber mat supports and cushions your body Easy to maintain and clean Superb Quality! Burst Resistant! Includes Air Pump Includes Poster 75 CM Yellow SHIPPING WEIGHT: 5 Lbs