Product Diameter: 39cm Material: rubber and fiberglass Package include: 1 piece yoga ring Features 1. Environmentally friendly and durable The Yoga Pilates Circle is made of environmentally friendly rubber, PP, EVA and fiberglass materials. It has a high flexibility and is not easy to deform. Even after strenuous exercise, it is not easy to tear. It is more durable under pressure, improves flexibility. 2. Perfect Fitness Equipment The double grip yoga ring can be used to burn belly fat and press upper arms, inner and outer thighs, abdominal and back muscles, perfect for anyone who develop muscle strength, increase body awareness, endurance, balance. 3. Unique Design The sweat-resistant foam pads on the inside and outside of the resistance ring make it more comfortable and balanced, you can place the ring between your thighs and press the outer pads for a great thigh workout. 4. Scope of application Suitable for a variety of sports, the Professional Pilates Ring can effectively play a fitness role, whether you are working in the office or watching TV at home, it only takes a few minutes to ease the work pressure and the improve physical function. 5. Small and portable Yoga ring is light and portable, does not take up much space, is perfect as a mobile training device for the office, studio or travel in a carrying case. Train anytime, anywhere, wherever you want.