The facial jade roller is are made of 100% natural jade stone. The big roller of one end is suitable for doing facial, eyes, forehead and neck massage. Using it to push your skin from bottom to up along the skin growth direction, it could tighten the skin and avoid sagging muscles. Small Roller is for eye massage, massage around your eyes with this roller from center slowly and gently, it could help to relax your eye, reduce edema and dark circles under your eyes and prevent wrinkles. Same as t. 5.5" L x 1.57" W x 0.79" H