Features: brand new and high quality Ergonomic design,the most popular yoga ring is designed according to the human body curve, used used for massage to relax muscles and to help strengthen the fascia, improve posture, and strengthen the core. it works well with any bend of the human body and is effective to help to improve hunchback, spinal curvature and relieve back, leg pain. Firm and durable,this yoga ring back stretch is made of hard plastic material. it will not deform or break after repeated uses. Unisex, for all ages, this yoga ring is suitable for not only a beginner but also a seasoned yoga addict or pilates fanatic. it's worth having it for anyone who wants to keep good figure or relieve body pain, including the pregnant and the elderly. Easy to use,the yoga ring strengthens and tones your body in only a few minutes each day while increasing the effectiveness of training. Small and portable, lightweight and portable, also can'for t occupy much space. it's excellent for taking to the workouts at home gym or when traveling. Specifications: Material:Plastic Color:Beige-Orange,White,Blue Note: Please allow 1-2cm errors due to manual measurement,pls make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Piece Yoga Ring