Soft Interior/Exterior. The girls’ beanie inner is premium silky satin which can reduce the hair friction, help prevent hair tangling and keep hair healthy growth. Outer is breathable soft bamboo/rayon, very lightweight, not sweltering, that will let your girls enjoy it this summer. | Adjustable Elastic. The Satin Bonnet is designed with soft adjustable elastic band, fitting all children’s head. You can adjust it according to your little one head size, stay on the head all night and keep hair in place no tight and no-slip, no imprint on your loved one forehead. | Reduce Hair Breakage. Sleeping with hair bonnet protects your hair from tangles, breakage and dryness during sleep. It also allows you to wake up with easy to manage, beautiful, healthy hair, delicate girls’ love. | For All Types of Hair. Adjustable girls slap caps with large room is designed for all types of hair: curly hair, frizzy hair, long straight hair, natural hair, braids, weaves, rollers, hair clamps, and up-dos. | Multifunctional Headwear. This cute beanie is not only for sleeping, but also works great for playing outside, running, walking the dogs, chemo or cancer headwear. It can work in any occasions like Crazy Hat/Favorite Hat Day, Super Hero/Princess Day, Beach Day/Hawaii Day, Picture Day, Pajama Day, Birthday, Crazy Hair Day, Mismatching Day…