LIGHT-BLOCKING FOR DAY NIGHT: The updated W nose wing design of the sleep mask can effectively block lights coming from the nose area so you can get sound sleep or relax your eyes whenever or wherever. COMFORTABLE ADJUSTABLE: Made of organic cotton, this new type of sleep mask offers you a soft and fresh touch on eyes with the natural material, which can release your facial stress and help you get into sleep rapidly. This sleep mask can be adjusted in length to perfectly fit the various heads without tangling your hair or feeling tight This sleep mask made of Skin-friendly cotton, is lightweight and portable, so you almost barely notice that they're on your head. And this sleep mask is produced with highly strict standards to guard every procedure. It is flexible, foldable washable and can retrieve to its original after washing it.