Refrigerate the roller to use to help improve the performance and the reduction of swollen under eyelid. It helps to rejuvenate skin and remove wrinkles, improve skin tone, fights of aging, reduces pigmentation, promotes circulation, use with eye or face cream to promote the absorption of cream. Features -Material: Crystal -Size: 10.70X1.80X1.80cm/4.21X0.71X0.71 in. - After using for a couple of days, your face will be less , feel less tense, look more tightly. - Use the face with skin care products to promote better absorption. - Lifting and tightening skin, face shaping, increase skin metabolism through stimulating your circulation, resulting in an lift. - Daily use of the face will make your face and skin look healthier. - A meaningful elder, mom, wife, daughter. Beside, you can enjoy face for while taking a bath. Package list: 2 x Massagers