The patented EZ Mount Penthouse Kitty Sill will be a cat’s most favorite hangout. Secure built-in ledge makes getting into the penthouse a breeze. Open mesh windows give pets a great view of the outdoors. Comes with a removable plush microfleece pad plus the top of the penthouse is lined with microfleece for comfortable resting. It can accommodate multiple cats with the extra strong suction cups provided. Removable cover for easy machine wash care. The EZ Mount Penthouse Kitty Sill can be removed and stored easily with its collapsible design and is hands down luxury built for the most pampered cat. One year limited warranty.