NEWGO Ice pack cooling eye mask is made with medical grade premium PVC cover on one side and soft plush fabric on the other side to ensure optimal safety as you sleep. The soft plush side allows direct-skin use, provides dual temperatures, and extend hot or cold therapy time, while the silicone side for direct colder experience. Use our gel eye masks to create a cold ice pack, it is great for relieving puffy eyes, dark circles, headaches, migraines, tired eyes, or as a heating eye pad to reduce swelling, dry eyes. The flexible gel beads comfortably conforms to the shape of your face while offering soothing pain relief and a truly enjoyable, relaxing experience. Chill it in the freezer or heat it in microwave, place it over your eyes and sinuses, you won't believe the comfort. This eye mask contours perfectly to your face without drips or leaks. Notes: Be sure to follow safe heating and cooling instructions printed on the PET box and resealable bag. Hand wash only. Surface cleaning with a damp cloth or sponge.