The house body adopts 30D thickened memory sponge, which can quickly restore support the 24hous after opening the package. Size XL : The Pet House is 20.5 inch length, 22.5 inch width, 21.5 inch height?which is ideal for pets up to 18kg/40lbs , such as dogs, cats and rabbits etc. Warm Pet House made of soft Arctic velvet?The material is 100% safe, can not hurt your pet's health. Anti-slip Cushion: The dog house comes with one cushion, washable. In addition, there are many non-slip points on the back of the mat, which can be used as dog bed separately. Highly recommended: Great value, comfortable and soft, cute, exquisite workmanship. After assembling, your pet will know that this is its house, and like it very much.