PACKAGE: included 2 pcs ice eye mask . ?REUSABLE?Filling with massage gel beads and glycerin makes the cool feelings last longer. It is ultra soft with the breathable plush backing. These gel eye masks are FDA registered, latex free, and non-toxic. 100% pressure testing, no break, no leakage, long life time. ?CONVENIENT TO USE?Sealed the eye mask in a plastic bag and simply store the mask in the freezer at -18? or lower temperature for at least 1 hours. For better effect,the best freezing time in the freezer is 2-6 hours .For heat therapy,heat the mask in microwave in 10 seconds intervals until desired temperature is achieved,the maximum heating time does not exceed 20 seconds. And the best therapy time is approximately 15 minutes recommended by doctor and therapist. ?Adjustable & Comfortable?With an adjustable head strap, our hot and cold eye mask is sure to fit perfectly on almost all head sizes. Designed for long hours of comfortable wear as you relax and rest, and a secure fastener ensures the mask remains secure on your face even as you toss and turn in bed. ?APPLICATION?When you feel tired or tension or migraines, the cooling eye mask can makes you feel peace and help you relieves the pain.This eye mask fit for women,girls,students or office worker who stay in front of the computer for long time;or people who stay up late and troubled with dark circles,dry eyes. ?Reversible Double-Sided Design?Our 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. ?MULTIFUNTION?It is a functional eye mask,which can be chilled in the freezer as an ice pack. It also can be used as a warm eye mask to be heated in the microwave oven .Can be used on eye,face,forehead for relief and therapy from dry, irritated or puffy eyes, dark circles, tension, bruising and muscle pain,sinus discomfort,headache, migraine, allergy irritations and other eye issue.Best Sellers Rank: See Top 100 in Beauty & Personal Care. Color: Blue. Material: Polyvinyl Chloride. Special Feature: Reusable. Unit Count: 2.00 Count. Brand: SEIWEHIDO. Country of Origin: China. : B0BJPZN847. Manufacturer: SEIWEHIDO. Date First Available: October 19, 2022. Package Dimensions: 8.58 x 4.8 x 1.26 inches; 9.91 Ounces.