Unique advanced adjustable system easily slipping off sleep caps or hair caps that do not fit the head properly is a common problem. An adjustable and stretchable fit is essential for comfortable wear. Keep your hairstyle intact and save time our satin hat features stitching on the top, with a soft, full-coverage silk satin lining that protects your hair from dryness caused by friction between hair and absorbent materials such as cotton. For those with curly or wavy hair, this casual beanie helps reduce frizz, tangles, and thinning, keeping your hairstyle fresh and frizz-free. No forehead marks are left upon waking, saving you time on morning hair care. Versatile design this stylish beanie with satin lining can be used not only as a nightcap but also during leisure time at home, helping keep floors clean by minimizing loose hair. Wear it as a fashionable, relaxed beanie for daily outdoor wear, running, casual outings, or on windy days. It also works well in the kitchen and serves as a practical cap for hair loss during chemotherapy. Care instructions do not wear while applying hair conditioner, as the breathable material may become damp. Machine wash in cold water on a gentle cycle and lay flat to dry. Hand washing and air drying are recommended. Use chlorine-free bleach if needed. Warm iron if necessary. Head circumference: 54cm62cm / 21.3 inches24.4 inches