Continuous Heating Tired of your regular microwave eye compresses not getting hot after a few minutes?Our face shields provide continuous heating on demand.Comfortable and breathable heated eye masks are made of cotton and filled with natural flaxseed for a perfect fit around the eye area. Flaxseed is used as a non-toxic filler in our eye masks. Flaxseed helps improve the effect of the heat and keeps the mask moisturized.Graphene Heating Technology Graphene heating element heats up quickly, promotes eye blood circulation, touches eyelids to generate heat, directly dredges glands, deeply relieves eye dryness, intraocular pressure edema, blepharitis, dark circles, and relieves eye discomfort. fatigue, improved sleepEasy to Power It can be easily powered by PC USB port, power bank, phone charger and comes with a cute box. Take it with you wherever you go. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!