Yoga circle open shoulder artifact fitness circle open back magic circle - Orange

product description 1.
Ergonomic double radian, fit the body curvature, fit the body waist, neck physiological curve, fully relax the shoulder, neck, back muscles.
2Arched design, solid ring, load-bearing without deformation, golden ratio design, high-strength compression, long service life.
3.
Ergonomic groove design, fit the palm, easy to move, safer.
Fit the curve of human spine, relax the tension at the back, massage and relieve.
4.
Small and light, easy to carry.
Take it with you at any time.