· Premium 100% 22 Momme Mulberry Silk Bonnet: The hood part of YFONG silk bonnet is totally 100% made of 6A 22 momme mulberry silk. Natural silk create a smooth, soft, lightweight, comfortable and lustrous bonnet, gentle for your hair and skin, effective reduces hair frizz, breakage, maintains moisture, keeps hairstyle. The higher the momme, the thicker the silk, more luster & durable. The fabric of our silk bonnet has passed the SGS authentication & OEKO certified, ensures real silk and harmless.· Double Layered Silk - Reversible Sleeping Cap: YFONG long silk hair bonnet is a double layered silk design, shiny and smooth inside and out, thicker and more durable than a single layer. Meanwhile, the stitching edges are designed with an invisible edging process, greatly improves wearing comfort and provides you with reversible wearability. No matter which side you wear, your hair will always touch the smooth silk.· SPA-LIKE Treatment For Your Hair: YFONG real mulberry silk night cap have a soft, smooth texture that allows hair to slide across its surface, help lock hair moisture, prevent dryness, frizz, split ends. Keeps your hairstyle fresh looking, and prevents loss of hair and wake up with no frizz and keeps hairstyle intact. Wearing your hair overnight in a silk hair bonnet is a naturally nourishing conditioning treatment.· Longer Size Design Fits Most: 26.77 in/68 cm Longer size hair bonnet can fully cover the hair, one size fits all. The width of the sleep bonnet is 11.4 in/29 cm. You can tuck a lot of long thick hair into it, perfect for long curly hair, long natural hair or various braid, dreadlocks, crochet braid, dread, locs, box braid, faux,crochet hair, weaves, wig, etc.· Long Elastic Band & Secure Loop - Not Easy to Slip: YFONG sleeping hair bonnet is designed with an elastic long tie and fixed loops on both sides of the forehead, allowing you to adjust its fit or fashion a decorative bow or and secure the bow. The tie band is made of premium 95% polyester and 5% spandex to ensure high elastic and skin friendly, wouldnot make you feel tight and leave imprint on head, more cosy. Stay on head all night no matter how you move!