1、Safe Materials: The round pet bed is made of fleece and PP cotton, provides a safe and is perfect for cat or puppy naps. Your furry pals will feel the love and warmth. <br>2、Vibrant Colors: The cat self warming pad sack comes in a vivid gray yellow color that is attractive and helps pets sleep deeply. <br>3、Self Warming: This cat closed sleeping bag uses padded PP cotton, self warming fabric to keep your kitty or puppy warm in winter. <br>4、Warm and Comfortable: This cat self warming pad sack gives pets a sense of security. Surrounded by all fluff for easy pet access and warmth. <br>5、Applicable: Small is suitable for: domestic cat, folded ear, British shorthair, Burmese cat, Egyptian cat; large is suitable for: Muppets, Persian cats, Chartres, American shorthair. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.