Product description ------------------- Features: Useful function: Whether you are lying on your side, back or on your stomach, this eye mask can easily and effectively improve your sleep. The adjustable strap ensures that the eye mask will not slip off your eyes when you sleep. Thoughtful gifts: One size of this eye cover fits most men and women, a nice gift for parents, husband, wife, friends or anyone who wants deep, they will like receive this practical gift on holidays. Specifications: Material: silk Colors: black, pink Size: 8.07 x 3.93 inch/ 20.5 x 10 cm Package includes: 2 x Silk sleep eye masks Warm notice: Due to manual measurement, there might be slight errors on size, please understand. The colors may exist slight difference due to different screens. Wash by hand or machine with warm water, hang to dry, do not expose the sleep mask under strong light, and do not use a dryer to dry. Directions ---------- Place the mask over your eyes to block out light and improve sleep.