KEEPING WAVES: - Breathable Cool Premium Satin fabric helps maximally MAINTAIN MOISTURE of hair, doesnt add any extra heat. Designed for 360, 540, 720 waves. Stays on all night and not too tight for waver even big head. NOT REAL SILK. Smooth like silk pillowcases. LIFESAVER FOR WOLFING OR SLEEPING: - Keeping waves laid down when you ADD DOUBLE COMPRESSION over your du-rag. Wide elastic band wont leave forehead marks like typical wave caps. Strong, stretchable and light, wont slip off, WASHABLE AND NO FADING Can be used while sleeping to accee wave making process. WHY CHOOSE US: - We have CUSTOMIZED over 10 TIMES, make sure it fits the almost all head sizes 19.5-23.5 inch (49-58cm). The cost price of our wave cap is more expensive than others and will last for years. IDEAL GIFT: - It's the best NIGHTCAPS FOR WAVERS - men or boys over 12 years old in Birthday/ Anniversary/ Valentine's Day/ Father's day/ Thanksgiving/ Christmas/ New Year.