Made of plated platinum ABS polymer, no any harmful metals, healthy and safety.This roller massager is also a good option for those with very sensitive skin. The full body roller masager with Y-shaped design, kneads the skin and lymphatic with two polygonal sphere balls. Promotes blood circulation, eliminates excess fat, eliminates edema, it is useful for face firming, body shaping. The portable massage roller is easy to use, either at home, in office or on the road, no matter when you are walking or in shower. Particularly suitable for those who suffer from too fat face, loose cheeks, edema, muscle relaxation, dark skin, butterfly arm, stout legs. Can make the face, arms, legs, waist more compact. Of course, it can also quickly relieve fatigue. Please use it often and you will see positive changes in the skin.