Simplify your life and save energy with the 6 in. x 6 in. Ideal Pet Products "Cat Flap" Small Cat Door. Give your small feline friend access to shelter day and night and get them in out of the heat, rain, and cold without any fuss or scratching at the door. Economical, sturdy and dependable, Ideal Cat Flaps are simple to install with easy to understand instructions. Keep your pet safe and happy with an Ideal Door.