Care instruction for Beanie:Wash it by hand in cool water and gentle soaps,also do not twist or contort while it is wet,because that will leave permanent wrinkles in the fabric,and can squeeze out excess water with a towel then air dry. Notice: Please don’t wear this hat with hair conditioner. It will make your pillow wet cause its breathable material. Multifunctional Headwear:This beanie is not only for sleeping,but also performs great for doing homework,playing, running, walking the dogs, chemo or cancer headwear , it can satisfy any need in any occasions, and no matter braids,weaves,rollers,hair clamps,long hair,and up-dos. Adjusting for Comfortable:The cap add an adjustable elastic band, 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 little one forehead ,at the same time keep the hair healthy growth,almost fit all child head size ,more importantly, the adjustable section can be hidden,not see it,that is very great. High Grade Material:The beanie inner is premium silky satin to reduce the hair friction , and tangling,that will keep a stylish hair look in the morning,delicate girls’love;outer is breathable soft cotton,very lightweight not sweltering, that will let you enjoy it.