【Cat Door Holder Latch】-- Our cat flex cat door holder allows the cat to enter and leave the room freely, protects the cat's private space, gives your cat more comfortable and free space, and avoids being injured by other large animals! Keep the dog out! 【5 Adjustable Sizes】-- The cat door latch has 5 adjustment holes, you can adjust the door width according to the size of your pet. Effectively stops puppies, large dogs, crawling babies, and early toddlers from entering any room you don't want them in. Cat door latches are suitable for most styles of door handles and knobs. 【Durable Flexible Materials】-- Our cat door latch is made of high-quality material, which can withstand the impact of large dogs. The elastic door latch is very strong. You can pull the cat door lock at will without breaking it during installation. 【Easy to Install】-- No tools and glue required, no cutting, and no measuring. Just hang the pet door latch on the door handle and place the latch on the door frame to complete the installation. It only takes a few seconds to install and is convenient to use. The simple but practical design makes it easy to latch or release the door from both sides with only one hand.