Feature: 1. 1. The mat is made of environmentally-friendly pearl cotton filler. The inside of the cotton ball is hollow and very breathable. 2. 2. PP cotton has good elasticity and no agglomeration, and it has stronger warmth and breathability. The mat is still fluffy and not easy to be deformed after being used for a long time; 3. 3. Double-sided mats, suitable for all seasons. Particularly practical, lightweight, easy to transport outdoors 4. 4. Easy to assemble, foldable and portable, removable breathable carpet 5. 5. Closed design is very suitable for small and medium-sized dogs, puppies, cats, rabbits and other cute animals to provide a comfortable rest and sleep for your pet. 6. Specification: Material: polyester + PP cotton Size: 39*40.5*44CM Color: As picture show Package List: 1 x Red Brick Pet Dog House