Consistent Heat Tired of your regular microwave eye compresses not staying hot after a few minutes? Our mask provides consistent heat for as long as you need. Comfortable & BreathableThe heated eye mask is made from cotton and filled with natural flax seeds, It has a perfect touch to cover your eyes' skin. Flax seeds are used as a non toxic filler for our eye mask. Flaxseed can help improve the hot compress effect of eye mask and keep it moist. Graphene Heating TechnologyGraphene Heating element generates heat quickly for eyes blood circulation, which touches and heats eyelids, unclogs glands directly, deep relieves dry eyes, eye stress & puffiness, Blepharitis, dark circles, relieves eye fatigue, and improves sleep 3-Class Heat Temperature & Timing SettingsThe electrical heated eye mask was specially designed to have 3-class heat temperature settings from 104 to 140 and timing settings(20, 40 or 60 minutes). It will stop working automatically when time is up Easy to PowerIt's easily powered by PC USB port, power bank, phone charger and is packed with a lovely box. Free to take it everywhere you go.