This is a cozy and comfortable bed for your cat handmade from natural wool. The wool is thick and the highest quality available. There is a lot of love put into each one to ensure that your cat is happy and healthy. Fits cats up to about 18 lbs. Walking Palm makes high quality cat caves that will last a lifetime. Stain resistant and easy to clean, just hand wash with soap and water and drip dry. * FITS CATS AND SMALL DOGS UP TO 18 LBS - One size, because it’s the perfect size. We have designed our cat caves to be the best of both worlds.The cat cave has been perfected to make sure your cat is the most comfortable while adding a great accent to your home décor.