Let's Cat In & Keeps Dogs Out Our Cat Door Latch allows the cat to enter and leave the room freely to access food, while the smaller opening helps prevent larger dogs from passing through to reach the food. Easy to Install No tools or glue required. No modifications to the door needed. Simply hang the pet latch on the door handle and place the pin on the door frame for quick installation and removal. s The pet door holder is made of nylon and stainless steel, providing durability and strength to help deter dogs. Designed with safety in mind. Small Things, Big Effects Effectively helps keep puppies, large dogs, crawling babies, and young toddlers out of rooms you want to restrict, such as the toilet, kitchen, bedroom, den, bathroom, storage room, or office. A simple solution for effective room containment. The Best Choice for Pet Owners Try the pet door latch. Avoid confining your cat in a small cage. Give your cat freedom and a comfortable space while helping protect private areas from larger animals.