1. Sleep Eye Cover: Cooling eye cover can relieve stress and fatigue, relax body and mind, reduce dry eyes, improve dark circles, can improve sleep quality. 2. Cold And Hot Compress: Cooling eye cover is filled with gel that is safe to apply to your eyes, and can be used for hot or cold compress by freezing or heating cover before use. 3. Easy To Use: Simply store eye cover in refrigerator at 18 degrees Celsius or lower for at least 2 hours. Or put in microwave and heat to desired temperature for less than 30 seconds. 4. Reusable Design: Through pressure test, there will be no rupture, leakage and other conditions, after use can be wiped clean, suitable for first aid or family daily use. 5. Soft Fabric: There is a layer of plush on back of eye cover, which is soft and breathable and will not damage eyeballs. Beautiful and practical, can be given as a gift to friends. Spec: Item Type: Cooling Eye Cover Material: Plush, Gel Product Length: Approx. 19.5cm / 7.7in How to Use: 1. Put cooling eye cover in refrigerate for 30 to 60 minutes, then take out. 2. Soak in hot water at 30 centigrade to 80 centigrade for 5 minutes, then take out. PackageList: 1 x Cooling Eye CoverCold And Hot Compress: Cooling eye cover is filled with gel that is safe to apply to your eyes, and can be used for hot or cold compress by freezing or heating cover before use. Sleep Eye Cover: Cooling eye cover can relieve stress and fatigue, relax body and mind, reduce dry eyes, improve dark circles, can improve sleep quality. Soft Fabric: There is a layer of plush on back of eye cover, which is soft and breathable and will not damage eyeballs. Beautiful and practical, can be given as a gift to friends. Easy To Use: Simply store eye cover in refrigerator at 18 degrees Celsius or lower for at least 2 hours. Or put in microwave and heat to desired temperature for less than 30 seconds. Reusable Design: Through pressure test, there will be no rupture, leakage and other conditions, after use can be wiped clean, suitable for first aid or family daily use.