1. Cat Door Latch, 2 Pieces of Cat Door Stoppers - Quick Folding Cat Door Latch for Replacement and Installation, 5 Adjustable Sizes (Cat Shape) 2. [Cat Door Latch] - Our flexible cat door latch allows your cat to freely enter and exit the room, protecting your cat's private space, giving your cat a more comfortable and free space, and preventing other large animals from getting hurt! Keep dogs out! 3. [5 Adjustable Sizes] - The cat door latch has 5 adjustment slots. You can adjust the width of the door according to the size of your pet. It effectively prevents puppies, large dogs, crawling babies, and premature infants from entering the rooms you don't want them to enter. The cat door latch fits most door handles and knobs. 4. [Durable Flexible Material] - Our cat door latch is made of high - quality materials and can withstand the heavy impact of dogs. The elastic door latch is very strong. You can pull the cat door lock at will without breaking it during the installation process. 5. [Easy Installation] - No tools or glue are required, and no cutting or measuring is needed. Simply hang the pet door lock on the door handle and place the lock catch on the door frame to complete the installation. It only takes a few seconds to install and is easy to use. The simple and practical design allows you to easily lock or unlock the door from both sides with one hand. 6. Thank you for purchasing products from our high - quality store. Have a nice day!