Individual Package: the eye mask is individually packaged in a clear OPP bag, easy to store and distribute, keeping the mask away from dust and dirty, convenient to use Comfy Material: the sleeping masks are made of silk fabric, filled with cotton, lightweight and comfortable, soft and smooth, with effective light blocking effect, offering you a good sleeping quality Sufficient Quantity: there are 50 pieces of black blindfolds, each of which is about 7.87 x 3.94 inch/ 20 x 10 cm, washable and reusable, ample quantity can meet your using and distributing needs Wide Occasions: the eye covers for sleeping are suitable for sleeping, resting, napping, game, etc., fitting for home, airplane, train, bus, office, traveling, and more, as well as for those who are difficult to fall asleep Thoughtful Gifts: the silk sleep masks can be applied as thoughtful gifts given to your parents, lover, girlfriend, boyfriend, family members, relatives, friends, etc., on birthday, holiday, festival, and so on