Ergonomic Design: The most popular yoga ring is designed according to the curve of the human body, used for massage to relax muscles and help strengthen fascia, improve posture and strengthen the core. It is suitable for any curvature of the human body and effectively helps accurate asana posture, helps to improve hunchback, spine curvature and relieve back, leg pain Multifunctional: you can not only use it to tighten ts, but also perform leg lifts Straightens the core, and tones the arms, in the abs, legs arms, chest, obliques and buttocks; ideal for those with pain from medical conditions such as hip strengthening osteoporosis or hip abduction exercises Compact and portable: very Suitable for travel Lightweight (only 0.44 lbs) and portable (9.06*4.72*3.15 inches), also can not take up much space. You can put it in your bag, hide it in a closet or hang it anywhere.