Silk Bonnet Features with Elastic Thin Bands and Drawstring: Our satin bonnet have adjustable and stretchable head size for comfortable wear; After many improvements, the satin bonnet has a thin elastic band and an easy-to-use drawstring on the bottom, which will make your head more comfortable; The band can be stretched to fit different head size, but won't make your head feel tight; Multifunctional Satin Bonnet: This satin silk bonnet is not only suitable for sleeping but convenient for you when you're washing face, bathing and doing skincare; The silk satin bonnet also performs great as a head cover for cancer chemo patient, because the satin lining of the silk bonnet would protect your hair from losing badly; Also, a soft front and large room are designed for long hair and large heads and; Washing Instructions for Satin Silk Bonnet: 1.Hand wash or machine wash in cool water on low setting/ gentle cycle; 2. Satin can be hand washed with cold water and gentle soaps; It should be laid out flat or hung to dry, although satin should not be attached with clothespins, since they will leave marks; 3. Satin should also not be twisted or contorted while it is wet, because it may set permanent wrinkles in the fabric, instead, squeeze out excess water with a towel then air dry.