1.The design of massage bumps enable users to achieve better experience and feeling. Its shape is ergonomic, conforming to the human body curve.2. [MULTIFUNCTIONAL] This yoga ring pilates fitness circle is a useful tool for stretching, mobility massage and pain relief. With it you can exercise most parts of your body, such as foot, calf, leg, pelvic, buttock, abdomen, back, arm, shoulder and neck.3.[LIGHTWEIGHT AND PORTABLE] This yoga circle stretch ring is light and small size, so you can use it to do Pilates exercise anytime anywhere. For example, when you watch TV at home or work in the office, or travel on the plane etc.4. [UNISEX, FOR ALL AGES] This yoga ring is suitable for not only a beginner but also a seasoned yoga addict or pilates fanatic.5.Easy to use and clean, allowing you to operate with ease.