1. Material: silicone
2. Use: massage
3. Conical structure, deep massage, stimulate meridian points
4. There is no burr on the edge, and the smooth surface feels comfortable
5. The lower part has five grip grooves for better control of the force
6. Bottom non-slip vacuum suction cup, not easy to slip
7. Dimensions: 62x75mm
8. Weight: about 160 grams