Reliable and professional 100 pressure test%, no damage, no leaks. The cooling mask is made of latex-free PVC and super soft fabric, which can provide dual temperature use and extend cold and heat therapy time. The fabric surface allows for comfortable direct-to-skin use, and elastic bands can hold the mask in place. Hyperthermia or Cold Therapy – Easily heat in microwave for 10 seconds for heat therapy, or chill in refrigerator for 2 hours for cold therapy. The gel beads remain flexible even after being frozen and stick to the eyes or forehead. Effective Relief – The reusable ice cream eye mask is ideal for relieving swelling and puffiness of the eyes, dry eyes, headaches, migraines, pain and pressure sinuses. A must have first aid kit for facial allergy or eye treatment at home, office or travel. Easy to use – The fabric surface allows for comfortable direct-to-skin use and provides appropriate temperature. If necessary, the PVC surface can provide a cooler touch to the eye area.