The size is 23.6 x 23.6 x 9.8 inches (60 x 60 x 2 Do you have a little volume for a small dog? If you feel it, The inner layer reduces polywool and can be changed to a suitable volume for your dog. Store out the poly wool Even if it gets dirty, you can put it in a laundry net and wash the inner polywool so you can keep it clean for a long time.
There are two types, round and square.