The inflatable FLX Ball is a perfect portable tool to add to any strength training routine. This 9 inch ball adds a level of instability that challenges your muscles in a new way. Add it to your Pilates, Yoga, or fitness routine. Sitting up, place the FLX Ball at your lower spine creating a c-curve, and perform a series of killer abdominal exercises!
Each FLX Ball package contains an exclusive QR code for a FREE streamable abdominal workout from our Instant Video Library. Workout anytime, anywhere!