Doublelayer Satin Sleeping Bonnet Black Key benefits Protects hairstyles overnight and during beauty routines by reducing friction between hair and pillow or tools. Waterproof outer layer keeps hair dry during showers and perming, preventing unwanted moisture contact. Widebrim design provides fuller coverage for longer styles and added comfort. What it is A doublelayer bonnet combining a soft satin inner layer with a waterproof EVA outer layer. Designed for adult use with a 30 cm 11.7 inch diameter. Main features Material: Satin plus EVA for a gentle inner surface and a protective outer shell. Function: Versatile use as a sleeping bonnet, shower cap, perm cap, and makeup cap. Size: Adult diameter 30 cm 11.7 inch, suited to most adult head sizes and accommodating longer or thicker hair. Color: Black for a discreet, professional look. Package: 1 pcs x Satin bonnet. How it solves common problems Keeps hair dry during showers or treatments by blocking water and splashes with the EVA layer. Minimizes friction and tangling overnight with the smooth satin interior, helping styles last longer. Covers a wider area than standard caps, reducing exposure during perming or makeup application. Practical use scenarios Sleeping: Wear overnight to maintain curls, braids, or other styled hair without rough friction on pillowcases. Showering and perming: Use as a waterproof cap to prevent water or perm solutions from soaking into hair not meant to be treated. Makeup and skincare routines: Keep hair neatly away from the face and protected from product transfer while applying cosmetics or treatments. Fit and care notes Designed for adult heads with a 30 cm 11.7 inch diameter. The doublelayer build provides structure while remaining comfortable. Supplied as one satin bonnet per package. This bonnet is a practical accessory for anyone seeking reliable hair protection during sleep and beauty routines, with a combination of satin comfort and waterproof performance.