The sleeping mask is made of rayon material, which is lightweight, soft and comfortable, with a smooth surface, allowing you to sleep better every night.Perfect blocking: The sleep mask fits the eyes perfectly, which can effectively block the light from entering the gap, ensure complete darkness, and provide you with a good midnight sleep environment.ADJUSTABLE ELASTIC STRAP: Our eye mask features a high elastic soft strap that comfortably surrounds your head, not easy to fall off during sleep, and fits most children and adults.GREAT EXPERIENCE: Perfect for those with dry eyes or insomnia, Silk's natural breathable fibers minimize facial stress and increase eye comfort.READY TO USE: This soft silk eye mask provides you with a good night's sleep during travel, home, hotel, train, plane and more.Quantity delivered: 2 piecesProduct color: blackProduct size: 20.5*9.5cm