Sleep is very important to the human body, eye mask can block the light, to help you sleep for a long time, to avoid the trouble of light. Adoption of premium silk material, it is comfortable for you to wearing. according to ergonomics, this eye mask make your face and eyelids get the greatest sleep comfort. Features - Color: Navy Blue - Material: Mulberry silk - Size: About 31x9.5x1cm. - No friction, comfortable, soft, lightweight, practical, durable, is the best gift for friends and relatives. - This silk eye mask is a nice sleep helper which naturally blocks light, Multi layer fabric with excellent shading, helps you to fall asleep faster. - The fabric of real silk have a perfect touch which can intimately cover your eye skin. Smooth, and very light, it' s pretty omfortable to wear. - With a adjustable strap,it is easy to adjust the elastic to the correct size.