Enclosures for cats and other animals, namely, a non-metal window-mounted enclosure for pets; Furniture for cats and other animals in the nature of a non-metal window-mounted enclosure for pets; Enclosures for cats and other animals, namely, a non-metal window-mounted enclosure for pets, featuring a litter box; Furniture for cats and other animals in the nature of a non-metal window-mounted enclosure for pets, featuring a litter box