Everyone who loves cats know they're very independent creatures who like to do what they want to do when they want to do it. That's all part of their feline charm. To help accommodate your cat's independence, check out the great selection of cat doors available at Zen Pet Supplies. You can easily install a safe, secure and affordable cat door in your home, and your fluffy, feline friend can go outside whenever she wants. If you don't want the cat to go outside, simply lock the cat door and your kitty will stay indoors (even the smartest cat won't be able to pick the lock on these secure cat doors!).