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A cat flap is a door that allows your pet to go in and out of the house at their own pace. It can be placed in doors, windows and even walls. It is opened when your cat pushes the body part through it. Microchip cat flaps let you open the door by recognizing your cat's unique chip. Magnet and infrared flaps require that your cat wears a collar with an infrared, or magnet device to activate them. What is a cat flap? A cat flap is a opening in the form of a window or door that allows your pet to get in and out of the house. They are available in a var