Overview: The surface of our sleep mask is made of 100% mulberry silk, which is smooth and skin-friendly, and the inside is filled with memory foam, which is soft and comfortable. Our eye mask is designed with a 3D three-dimensional structure, and an adjustable light barrier design is added to the bridge of the nose, which fits the curve of the face in all directions, avoids light leakage, allows you can sleep well even you lie in the sun Our eye mask uses a 3D structure with zero pressure design, allowing you to easily open your eyes while wearing the eye mask, your eyes will not receive any pressure damage from our sleep mask, including your eyelashes. Relaxed and comfortable, with zero burdens on sleeping. Our eye mask is designed with an adjustable buckle elastic band, which is suitable for people with a head circumference of about 40cm-75cm15.75-29.5inchesYou don't have to worry about it will strangle your head because the strap is too short Specification: Material: memory foam Product Category: 3D Eye Mask Specifications: Mask model (1021) Gross weight: 50 grams Style: 3D Specification: 25x10.5x1.5cm Weight: 45g Colour: Black Packing list: Eye mask*1