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Gym exercise ball and sitting ball in one. The Blackroll Gymball naturally supports an upright posture and helps to keep your balance when sitting on it. At the same time, you subconsciously train your pelvic, ab and back muscles - without having to fear that the ball might burst. The Anti Burst System of the gym ball with a diameter of 65 cm prevents bursting due to external damages as it lets the air escape slowly at the damaged spot. Therefore, you can comfortably use the ball during daily work or for training and thus strengthen your muscles.
• Gym ball for daily training of your pelvic, ab and back muscles
• Intensive training of deep-lying muscles
• Does not roll away when getting up
• ABS (Anti Burst System) prevents the ball from bursting due to damages, as it lets the air escape slowly
• Easy to clean and sterilize
• Max load approx. 500 kg
• Ø 65cm
• Weight: approx. 1800 g
Manufacturer's ref. BRGBBK
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