Let the cat in and keep the dogs outOur cat door holder allows the cat to go in and out of the room to look for food freely, the smaller space can prevent large dogs from going through the door to take food. Easy to installNo tools or glue needed, no modifications to the door. Simply hang the pet lock on the door handle and put the pin on the door frame to complete the installation. Achieve freedom in installation and disassembly. High-quality materialsThe pet door holder is made of nylon and stainless steel, which is very strong and can deter dogs, child-proof. Small things, big effectsEffectively stops puppies, large dogs, crawling babies and toddlers from entering rooms you don't want them in, such as toilet, kitchen, bedroom, study, bathroom, storage room or office, the simplest tool for the most effective containment. The best choice for pet ownersTry pet door locks. You no longer need to put your cat in a cramped pet cage, to give your cat a comfortable and independent space, protect the private space from larger animals