core-strengthening workout tool for ab roll-out exercises; used properly, the device can help strengthen abs, core, and more Handles on either side of the smooth-rolling wheel offer a secure, ergonomic grip for enhanced results Dual Double Wheels for Stronger Stability and Smoother Workout Will Give You Better Results Durably constructed using polypropylene plastic (PP) and thermoplastic rubber (TPR) The portable exercise roller wheel works well at home, at the gym, or on the road when traveling.
