Features: *Material for this Satin Silk Hair Bonnet: soft, breathable.The satin fabric is soft enough,well keep hair moisture. *Suitable size for most people: Satin Silk Hair Bonnet flat diameter up to: 35cm/13.78inches.This is adjustable size bonnet,widely used for Women or men curly hair,wigs, natural hair,etc,suitable for most of women or men hairs. *Prevent The Bonnet slip off while sleeping as night cap:our Satin Silk Hair Bonnet attached with a wide stretchy Tie Band made of high elastic soft fabric, you can easily Tie and adjustable and fix the Satin Silk Hair Bonnet on head for Women hair , usually you can make the bonnet stay on hair all over night.The long, soft strap also makes a pretty bow on the forehead or side. * You can make Tie with bow anywhere around head by your favorite, in forehead, 2 sides or back, adjust the Satin Silk Hair Bonnet to perfectly stay on head. *You can make a beautiful bow or wrap on head, make you comfortable and women more beautiful too.perfectly fix the Bonnet on head and protect your hair while sleeping, very soft skin-friendly Band, you will feel much more comfortable. *The wide soft Tie Band of Satin Silk Hair Bonnet, protect the edge well and keep both edge and hair in good conditions. *Wide use of our Satin Silk Hair Bonnet: usable for both Sleeping,houseworks,any sports: yoga, running,gym,etc,it would not fall off. *Usable for any size of head by it's adjustable stretchy Ties Band,including girl and adult women hair. Note: *Manual measurement of size, minor differences please ignore. *As the picture shows, Different materials will have slight chromatic aberration under