describe: Continuous Heating Tired of your regular microwave eye compresses not getting warm after just a few minutes? Our masks provide continuous heating as needed. The comfortable and breathable heated eye mask is made of cotton and filled with natural flaxseed to fit perfectly around the eyes. Flaxseed is used as a non-toxic filler in our eye masks. Flax seeds help increase the heating effect and keep the mask moisturized. Graphene heating technology The graphene heating element heats up quickly, promotes blood circulation in the eyes, generates heat when touching the eyelids, directly unclogs the glands, deeply relieves dry eyes, intraocular pressure edema, blepharitis, dark circles, and relieves eye discomfort. Fatigue, improve sleep Easy to power It can be easily powered by computer USB port, power bank, mobile phone charger, and comes with a cute box. Take it with you wherever you go. Packaging contents: Fever inner elixir*1+temperature control cord*1+spray bottle*1+box*1