URBNFit Pilates Ring - 12" Magic Circle w/Dual Grip, Foam Pads for Inner Thigh Workout, Toning, Fitness & Pelvic Floor Exercise - Yoga Rings w/Bonus Exercise Guide Use our versatile Pilates circle for full body resistance training - sculpt your body, your way Made from robust fiberglass with a rubber sleeve, this Pilates ring circle won't crack, re-forming every time. Replicate Pilates studio props with our portable inner thigh exercise equipment for women - home gym perfection! Our magic circle Pilates ring is crafted with sweat resistant, dual-sided foam pads, for a cushioned workout.