The Premium Pilates Circle from Togu is a stability ring designed for people who want to train against resistance. Suitable to use when doing Pilates or yoga, this device is a fantastic exerciser on its own. The included Training Chart details the exercises that can be done with the Circle to strengthen the core, back, legs, and upper core. Additionally, the Circle will also aid in improving flexibility and mobility. The Circle is a premium fiberglass ring that features soft handles. How, where and with what a user squeezes it with allows training to different muscle groups. The Circle is amazingly effective at improving the muscle tone of the inner and outer thighs, arms and chest. The fiberglass core is incredibly sturdy and the outer rubber covering is durable to handle the toughest of workouts. The ergonomic foam handles ensure a steady grip that slip or slide off. With a 14" diameter and less than 1.5" thick, the Circle is easy to store and taking it on the go is a breeze. So compact, it allows for workouts nearly anywhere. Please note, the package includes the Black Premium Pilates Circle and the Training Chart. The Pilates Circle easily lets users incorporate additional equipment such as balance balls and foam rollers. The Training Chart is just the starting point. The Circle is so versatile, users discover new uses and new exercises all the time. Exercises with the Premium Pilates Circle can be done sitting, standing or lying down. While suitable to be used solo, the Circle is conducive to group training sessions. Easy to clean needing just a damp, warm cloth and mild soap.