The TOGU ABS Powerball Extra Large 30 inch is a burst proof fitness ball ideal for core stability training. This revolutionary inflatable ball features Anti-Burst technology that allows the ball to deflate slowly and safely if punctured. The TOGU ABS Powerball Extra Large 30 inch features a “double groove” design that provides traction and helps prevent the ball from rolling away. Users will find this whole body training device useful for a balance exercises, various proprioceptive and sensorimotor training, and physiotherapy. Sitting on the ball promotes upright sitting posture while engaging the pelvic, abdominal, and back muscles. The TOGU ABS Powerball Extra Large 30 inch fitness ball provides an added level of safety for users. The Anti-Burst System prevents the ball from bursting suddenly if the ball is punctured. The ball is made of special material that is latex free, odorless, free of plasticizers and phthalates, and it allows the air to pass slowly through the hole instead of bursting. Please note, the ABS weight limit is substantially less than the ball’s weight capacity and pumping instructions should be observed. TOGU ABS Powerball Extra Large 30 inch Specifications: Total weight capacity: 1,100 lbs. ABS capacity: 200 lbs. Measures: 30 inch (75cm) diameter. Fits: Users over 5.8 feet (178cm) tall. Weight: 3.53 lbs. Color: Red. Materials: Patented Ruton® PVC, latex, plasticizers, and phthalates free. Includes: ABS Powerball, training manual is enclosed with the product packaging. Made in: Germany.