100% Microfiber PolyesterPROTECTS YOUR HAIR- Silky satin pillowcase is soft and comfortable, good for your beauty, can also protect your hair to frizz-free, and does not affect the hairstyle made the night before. A comfortable silky pillowcase allows you to sleep soundly all night.THE BEST CHOICE – Set of 2 satin pillowcases for hair and skin (Standard 20?? x 26??, Queen 20?? x 30??and King 20?? x 36??). (Pillows are not included.)HIDDEN ZIPPER DESIGN- Compared with the traditional envelope closure design, the zippered pillowcase can easily put in or take out the pillow, so that the pillow can be perfectly fixed in the pillowcase, easy to replace, convenient and practical.WARM NOTICE- Gentle washing WARM / COLD circulation, low-temperature drying, and hanging to dry.BEST CUSTOMER SERVICE- 100% QUALITY GUARANTEE! If you have any quality questions, please contact us freely and we will provide a replacement or refund on time. We will provide the best services and better products.