Size: 150mm*60mm Packing List: Jade Roller, Box, Instruction Card How to use the jade roller? The jade roller can be used for forehead, eyes,nose,lips,chin, jawline and neck. You only need to massage your skin with slightly force and roll in upward and downward direction. You can repeat movements 3-6 times or as desired. If you want to have a better experience, you can keep it in the refrigerator after using.When you use it again,you will feel more comfortable and so cool. Chinese women have used Jade Rollers to perfect their beauty and promote youthful skin since the 12th Century. In the past, only the richest and most powerful women of their time were able to possess such a prized treasure. Today we can benefit from the simple and effective way. Jade facial rollers integrate natural energy from the stone, which can promotes blood circulation, reduces puffiness, wrinkling . Function 1. Health care and prevention of aging.; 2. Promote blood circulation and skin metabolism; 3.Balance Yin-Yang so as to prevent and treat diseases and keep health. 4.Relax facial muscles and relieve tension. Note: Because the different production batches, the metal parts may be slightly different.