Polyester/Cotton fabric. Removable zippered inner liner. Soft sherpa top for more comfort. Washable outer cover. Available in a variety of fabric options. Give your pet a cozy place to get some sleep. Made with a Sherpa top designed to add extra comfort and warmth so your dog is sure to sleep straight through the night. Available in a variety of fabrics and sizes this bed is perfect for any size pet. Medium (21 x 26). Color: Royal Blue.