Specification:  Material: PVC + Gel  Color: Blue(As Picture Shown)  Closure Type: Back Straps    Feature  1: Cold and hot compress masks, beauty masks, personal health care, beauty masks. This product uses new technology to make the polymer material into a mild agent. After pre-cooling, the skin can completely relax and restore luster and elasticity.  2: It has many functions such as moisturizing, promoting nutrient absorption, removing fine wrinkles, and improving dryness and roughness of facial skin. The face mask is a boon for modern women to care for the skin. The skin care mask can make every inch of your skin crystal clear and make you radiant    How to Use？  1.Cold compress: put it into the refrigerator, after pre-cooling (4-10 degrees refrigeration) for two hours or frozen for half an hour, you can wear it on the face. (It can be stored in the refrigerator for a long time. In order to prevent tainting by odor, it is best to put it in a cool bag.)    2.Hot compress: put it into warm water of 60℃ for about 5 minutes or in the microwave for 30 seconds, then heat the other side for 15 seconds, you can wear it on the face. (It is usually recommended to heat in water and heat it evenly.)