DIY Land-New Design Sherlock Comfortable Zippered Pillow Cases 20"x30" (Twin sides) 8.7" high 0.6" wide Design anything you like,Form-fitting design Made of 50% cotton, 50% polyester Cool, breathable fabric offers quiet comfort It is zippered pillow case, with a zippered opening on the side Standard-sized pillow covers that help extend the life of your pillows