Kimono Green Sleep Mask: Authentic Kimono Fabric from a 400 year old mill in Kyoto Japan. This is a rayon chirimen print exclusive to Kimono fabric. The flowers, mountains, rivers and bridges are a very old print that has been used for hundreds of years. Colors of dark navy blue, orange, green and tan highlighted with a contrast pure silk charmeuse back, light flexible elastic and pure unbleached cotton padding. Designer luxury silk sleep masks made with hypoallergenic silk and cotton help prevent wrinkles.