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 pillowcasesLIFESAVER 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 accelerate 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). Most products in Amazon will be loose or rip off after 2-3 times use. 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. Just buy it100% SATISFACTION - 2 Pieces Dome Caps as the first picture shown (Well packaged, perfect as gift). If you're not 100% SATISFIED, please let us know and we guarantee make things right: full refund or a free replacement, whichever you would prefer. Get the durag at free risk nowProducts from JINYI's store