Continuous HeatingTired of your regular microwave eye compress not getting hot after a few minutes? Our face shields provide continuous heat based on your needs.Comfortable and BreathableThe heated eye mask is made of cotton and filled with natural flaxseed, which fits the eye area perfectly. Flaxseed is used as a non-toxic filler for our eye masks. Flaxseeds help improve the heat pack and keep the mask moist.Graphene heating technology Graphene heating element quickly heats up, promotes blood circulation in the eye, touches the eyelid to heat, directly unclogs the glands, and deeply relieves dry eyes, eye pressure and puffiness, blepharitis, dark circles, and relieves eyes. fatigue, improved sleepEasy to PowerIt can be easily powered by PC USB port, power bank, mobile phone charger, and comes with a cute box. You can carry it freely wherever you go.