1. ABS grip, the material is environmentally friendly and non-toxic, can directly contact the skin, feels comfortable and will not pinch the skin. 2. Deep massage: Uneven floating points, 3D design, evenly arranged rolling, bring you a finger massage experience. You can feel the 360-degree all-round massage, allowing the muscles in all parts of your body to be fully activated. 3. Easy to use: The ring-shaped roller rolls back and forth on the area that needs massage, and presses deeply to clear the meridians. Can be used on arms, forearms, elbows, legs, calves, neck or sore areas. 4. Eliminate soreness: Using this massager after exercise can speed up the elimination of lactic acid produced by exercise, thereby beautifying the lines of the legs and eliminating arm flesh. 5. Stretchable design, good toughness, no breakage when pulled 6. Material: plastic 7. Weight: about 200g 8. Size: approx. 25 x 23.5 x 7cm