Say Goodbye to Restless,Sweaty Nights and Usher In A New Area of Peaceful,Refreshing Sleep!3 Sizes to fit your pillow inserts:Standard：20x26in/50.8x66cmQueen: 20x30in/50.8x76.2cmKing：20x40in/50.8x101.6cm100% Polyester MicrofiberMade from 100% polyester microfiber, the sheet set offers long-lasting strength, a natural resistance to shrinking and wrinkles, and a noticeably soft hand feel. In addition to its durability and luxurious suppleness, the microfiber sheet set also offers the best of both insulating warmth and comfortable breathability.These pillowcases are easy to care. There is no zipper, so it's very easy to put in or take out the pillow. Pillowcase with envelope design, simple and stylish, washable is more convenient.Machine WashableMachine washable; wash in warm water less than 40℃; do not use detergents such as bleach.NOTEOnly sell pillowcases, not including pillow cores!If you encounter any problems, please contact us promptly, if you do not like them, you can unconditionally refund. You do not need to hesitate, now click on the golden "Add to Cart", We will deliver it for you within 2 days.