The Lakeside Plaza Regular Kitty Shelf is a great place for your cat to call home! Padded shelf attaches without fasteners to window sill for a panoramic view both outside and inside. You cat will love it's new "perch". Cover is removable and machine washable. Rubber tipped support brace provides support without marking wall. Supports up to 30 pounds. This is a "purrfect" gift for your favorite cat lover.