Our specially shaped mask minimizes light penetration and improves melatonin production. This vital hormone regulates our sleep, and it is also called the "hormone of youth and health." The mask has a universal size; thanks to the width of the elastic band, it does not put pressure on the head, silk fabric allows you to avoid kinks in the hair. Sleep mask is made of natural materials The outer part is cotton velvet, the inner part is 100% natural silk. Holofiber is used as a filler, which excludes light penetration. Each mask is created by hand and comes with a pouch for storage.  Each mask contains aroma sachet made of royal Chinese osmanthus.