ZOPZO blackout curtains decorate your Windows and make them more elegant. Using our proprietary three-layer fabric technology, high-quality black yarns are blended into two layers of fabric, suitable for any room decoration, while blocking light and noise, providing a better sleep environment while protecting privacy. Stay cool in the summer and warm in the winter to help reduce energy consumption. They are also a perfect choice for those who want to block out the sun, nap, or keep the sun away from furniture.