DescriptionThis heating eye mask can block out day light and light and help you relax and fall asleep quickly. Whether it is after work, after work, leisure holidays, flying in the plane, anytime and anywhere to enjoy sleep, give yourself a peace of mind.Features- Color: dark blue. - Material: flannel. - Size: About 27x3x1.8cm. - The eye patch has a perfect touch which can intimately cover your eye skin. - It can be easily powered by PC, power bank, USB adapter and is packed with a lovely carry bag. Free to take it everywhere you go.- Improve blood circulation of the eyes,release the eyes muscle,eye fatigue or eye soreness because of overworking. - Adjustable elasticated Tape that adjusts to all head size.