Quixote Classic Flannel Pillowcase - Medium: This 100% cotton Portuguese flannel travel-size pillowcase works best in a moderate climate because it"s soft, warm and durable. Quixote flannel pillowcases are cozy and wonderfully soft, and a great option for kids. All Quixote Design custom-fit pillowcases have a double flap closure that keep the pillow in and dirt and debris out.