1The roller is designed according to facial curve and used for beauty. 2Fine workmanship, it is ground and polished many times, more smooth to use and won't hurt your skin. 3Massage face with the big roller head from bottom to top along the growth direction of skin, witch can improve the skin and avoid muscle sagging. 4Use small roller head to massage periorbital area, from inside to outside, which can reduce fine lines and prevent wrinkles. 5The length of the handle is designed more reasonable, more comfortable to hold.