PP yoga ring is hard plastic with glossy surface and good luster, which cannot be deformed. High Quality MaterialsThe yoga ring is made of high-quality ABS plastic, this material is light but very strong, high quality, tasteless, high flexibility, not easy to be deformed and more durable under pressure, deepen the stretch, improve the flexibility. Easy to Use Whether you are working in the office or watching TV at home, you can easily touch any tiny body part and massage the muscles deeply, which will strengthen the upper muscles and prevent or reduce pain. Small and PortableThe yoga ring is very lightweight. You can put it in a bag and take it to yoga class. You can put it in a cabinet when not in use to save space. Ergonomic DesignThe yoga ring is designed according to ergonomics. Using it can improve body posture and is good for physical development. Widely ApplicationYoga ring can be used for massage to relax muscles, strengthen core strength and support accurate posture, improve humpbacks, bend the spine and back and relieve leg pain.