Why Precoco Cotton Pillow cases? -We believe everyone needs for a comfy sleep. After countless material testing, feedback from users’experience, we create the pillow cover definitely fit for you!-Our pillowcase is made with 100% of cotton. Cotton is soft to touch, naturally breathable and long lasting. -Pillow case covers with zipper hidden closure is full open sealing for style, easy to put on and off your pillow. -Our pillowcases are made of 600 threads per inch, and a lustrous sateen weave for durability, softness, and breathability. Easy to Care for! -Enjoy the ease that you can wash these pillow covers. Just wash on cold, and dry on tumble dry, low temperature. They are easy to get the stains out and cause no shrinkage. The Perfect Fit -2 pack queen pillowcases to fit queen pillows: 20" W x 30" L.