TKO Multi-Purpose, Duel Grip Pilates Medium Resistance Exercise Ring/Circle Perfect way to integrate resistance training into your mat-based routine and increase strength, power and endurance Provides a balance and symmetrical workout to your arm and leg muscles, so you can build a stronger core Pivotal to increasing your potential in your other workouts; Increased core strength leads to better balance and stability Inner and outer foam grips provide extra comfort while toning your hips, inner thighs, chest and arms Light-weight and flat for easy storage and travel; Up your fitness program and see the difference