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• Strengthens muscles, improves posture, balance, and core stability, helps prevent back and spine pain

• 55cm diameter (22") is designed for individuals from 5'1" - 5'6" tall

• For men or women, stretch the limits of your physical fitness by integrating stability exercise into your workout or rehab routine and develop the core muscles for fall prevention

• Easy to clean, comes deflated with two plugs, one inflation adaptor, and a 24 exercise guide poster, Power Pump for easy inflating sold separately

• Use to exercise abdominals, back, glutes, hips and other muscles, great for rehab and flexibility