Blackout Eye Cover: Our black eye shade cover are comcompatibletable to wear, can block the light source, to improve the sleeping environment, and help you have a better sleep quality. Ideal compatible insomnia, migraine headaches and dry-eye sufferers. .Comcompatibletable Material: The eye cover is made of lightweight and breathable polyester material, no decompatiblemation and no odor, clean and hygienic, allowing you to release your facial pressure and sleep quickly. .Elastic Band: Each sleeping blindfold is equipped with two elastic bands, which can fix the eye cover. The eye cover will not move at will when you sleep, so you can use it at ease. .Heart-warming Gift: This Disposable Sleep cover is very compatibleable compatible travel, nap, night and work purposes. Also a heart-warming gift compatible family and friends. .Value Combination: A set includes 30pcs light blocking cover, 19 * 8cm in size, lightweight and portable, you can take it anywhere. .