Dual function: double-layer composite donut/circle design, to meet the needs and desires of cats to drill holes to play, can bring unlimited fun to cats, dome concave design allows another cat to rest, two can be used at the same time, do not disturb each other. Selected Felt Material: The cat tunnel bed is made of selected felt material, which is wear-resistant, scratch-resistant, and will not get fluffy balls to meet the cat's daily scratching and rubbing nature. A cat bed that can be used in all seasons Extra large space: The cat tunnel bed measures 20 inches * 20 inches * 8 inches, the tunnel entrance is 7 inches in height, and the tunnel interior space is 8 inches in height, plus an extra large 8-inch round concave top rest area for cats and other animals up to 10 pounds. Zipper separation design: you can clean every corner inside the tunnel, so that cats have a clean and comfortable playing environment. The simple assembly method allows us to handle the cats more easily. giftsBecause of the the circular shape adds novelty and has more places to hide, it will be the best choice to your friend who own cats,small dogs,kittens, mother-in-laws kitty ,rabbits and others small animal.