Pet latch Its easily hooks onto most doorknobs and will safely hold the door,protecting your cats private space from larger animals! new pet door holder Holds most doors open 4",keeps the door at the perfect width open-very sturdy and very easy to use. Simple, Quick, and Easily Portable Hang the front of the dog proof door lock on knobs or handles, and put the pin on the door frame to complete the installation, No modifications to the door,No tools or glue needed. and attaches and detaches quickly and easily in seconds. can travel anywhere with you and your pets. Easy to Install and Use Cat door latch are constructed of nylon and stainless steel, no need to measure, cut your door or frame, no tools to install, It's Easy! With easy access from either side of the door, locked or not, doesn't inhibit your movement whatsoever. Because there is no cutting, measuring, double sided tape or screws to fumble with, won't ruin your paint, and won't damage your home! SIMPLER ALTERNATIVE Can be used to stop crawling babies, early toddlers, large dogs, puppies from entering any unwanted and unsafe room such as laundry, bathroom, closet, bedroom, pantry or office, providing a simpler and less cumbersome way to give your cat free space. The Best Choice for Pet Owners Why struggle with a pet gate with cat door or dog gates for doorways that are bulky and cumbersome to use? Why cut a permanent hole in your door to install an interior kitty door? Why force your cat to jump into and use a top entry litter box that may make her feel trapped? Try Pet latch for your cat to feel comfortable and confident that no intrusive dogs pester them in their private space!