100%SILK: Both inside and outside of this silk sleep cap is made of 6A grade 100% 22 momme puresilk. It is smooth, soft, breathable, and light like a feather, which is perfect for your hair and skin.DOUBLE CARE FOR HAIR: Silk is recognized as the “second layer of human skin”, and among various fibers, it has the least frictional stimulation to human skin. Our double-layer silk nightcap provides comfort while giving your hair meticulous care to prevent frizz.High ELASTIC BAND: The hair cap for sleeping is equipped with multiple durable elastic bands, which is suitable for most head circumferences and most hairstyles: long/short hair, curly/straight hair, etc, protect the hair from pulling and wears comfortably. There is no trace on your head when you wake up.IDEAL GIFT CHOICE: The silk hair wrap for sleeping comes in an exquisite gift box. It is an ideal gift choice for your wife, mother, girlfriend, or yourself on Valentine’s Day, Christmas Day, Anniversary, Mother’s Day, Thanksgiving Day, and any day worth celebrating.