2 pieces of adjustable soft yoga ring Pilates ring fitness ring fitness ring suitable for shoulder, arm and leg pain Yoga stretching training fitness exercise tool suitable for multi-position actions Material: PP + steel ball is very suitable for improving the tension of the inner and outer thighs, arms, and core muscles. It is very suitable for travel because it is almost flat, light and does not take up much volume. It is designed according to the human body curve. It is easy to touch every tiny part of the body and can be massaged deep into the muscles. You can also use your own weight to massage stress and relax. When you are in yoga and Pilates, it can help expand your range and develop core muscle strength. It is very suitable for improving the tension of inner and outer thighs, arms, and core muscles. It is very suitable for travel because it is almost flat, light and does not take up much volume. Suitable for multi-position actions. The perfect accessory for yoga or Pilates stretching training.