DiyCaseStore Popular cartoon regular show Mordecai and Rigby Zippered Pillow Cases 20x30 (Twin sides) Standard pillowcase is roomy in size (20"x30") (Two sides). Made of 50% cotton, 50% polyester Does not include the pillow core.Form-fitting design Makes a great quality gift for someone who has everything The perfect complement to your couch, custom pillows will make you the envy of the neighborhood.