Amazon.com: 100% Mulberry Silk Bonnet for Sleeping Women 。This double layer silk sleep cap is perfect for protecting your hair while you sleep, do skincare, or relax at home. The adjustable tie ensures a comfortable fit for most head sizes. Condition: Brand new 1. Materials / Fabric 100% mulberry silk, 19 momme, 6A grade 2. Features ? 100% Mulberry Silk – Both inside and outside are made of 6A grade 19 momme pure mulberry silk for a smooth, breathable feel ? Adjustable Design – Loose and comfortable fit with an adjustable tie band and elastic straps, suitable for head circumferences 19-25 inches ? Versatile Use – Protects hair while sleeping, doing housework, washing face, makeup, skincare, or spa use ? Care Instructions – Hand wash in cool water with mild detergent; hang to air dry naturally and do not twist when wet ? Gift Package – Includes a beautiful gift box, perfect for wife, mother, girlfriend, or yourself ? Hair Protection – Double layer silk construction reduces friction and prevents breakage, split ends, and frizz fast shipping, smoke-free home, bundle & save QjBCWTQxSEJZTQ==