[Product Information]

• Strengthens muscles， improves posture， balance， and core stability， helps prevent back and spine pain
• Deflates slowly if punctured， use to exercise abdominals， back， glutes， hips and other muscles， great for rehab and flexibility
• For men or women， stretch the limits of your physical fitness by integrating stability exercise into your workout or rehab routine
• Easy to clean， comes deflated with two plugs， one inflation adaptor and a 24 exercise guide poster， pump sold separately
• 55cm diameter (22") is designed for individuals from 5'1" - 5'6" tall