Tired of your regular eye compresses not staying hot after a few uses? Our mask provides consistent heat for as long as you need. | The heated eye mask is made from cotton and filled with natural flax seeds. | The heating element touches and heat the eyelids, unclog glands directly. | It's designed to have 3-class heat temperature settings from 104℉ to 140℉ and will stop working automatically when time is up. | It'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.