Silk Satin Material - The silk hair wrap for sleeping is made of double-layer 100% silk satin,soft and breathable are good for our skin and hair while we sleep. Adjustable Strap Design - Satin bonnet with its strap design and elastic band, our satin bonnet fits comfortably and securely, ensuring that it won't fall off or damage your hair while you toss and turn in bed. Large Size - The sleep cap inner diameter is 21 cm,This hair bonnet is perfect for black women or anyone with long or thick hair, providing ample space to accommodate any hair length or style. Double Layer Design - Our hair bonnet with double-sided color design allows you to switch up your look and match your bonnet with your sleepwear, making it a stylish and versatile accessory for your nighttime routine. Protect your hair - While sleeping with our silk bonnet - the perfect satin hair wrap for sleeping that keeps your hair smooth and frizz-free, allowing you to wake up with silky and healthy-looking hair.