Material: satin. Product size: 150 * 7.5cm, a single strip weighs about 18g. Convenient to tie: Our moisture band for couples is 150 cm long, anti-stretch, does not get tangled in the hair, easy to tie. Adapts as much as possible to all sleep positions, does not fall off, suitable for women, men. Material:The silk sleep mask is made of soft and comfortable satin, feel good on the face, touch your skin gently. Helps you block light more effectively while sleeping or taking a nap. It is designed in an orderly way and especially to meet the needs of women and men. Add atmosphere between couples and lovers. Portable for carrying: Foldable size and light weight make these satin sleep masks easier to wear and store. Versatile: Sleep bandages are not only suitable for travel, travel, study, work, nap, plane, train, night, bedtime and in any place subject to light, but also for children's birthdays, class activities,ette funerals, yoga, meditation, etc.