1.Cat Door Alternative: We upgraded the cat door latch to address the problems on the market. fish integral design with 3D fisheye, made of environmentally friendly materials, no odor. It is designed to be longer, more flexible and less damaged than ordinary products. 2.Only Let Cat In: Pet latch easily hooks onto most doorknobs and will ly hold the door, protecting your cat's private space from larger animals! And Can withstand the impact of large domestic animals. 3.Easy to Install and Use: Install the door prop for cats no tools and glue are required, no modifications to the door. Won't ruin your paint, and won't damage your home! It only takes two steps to let your pet enjoy an independent private space: hang it on the door handle, and then link the door frame lock slot. 4.Convenient Design: The ingenious design makes it easy to open the door with only one hand, from inside or outside the room when you are tired or carrying heavy objects, while keeping young children out of the cat's room. 5.5 Adjustable Size: 5 Function holes allow the door prop open for cats (from 2.5" up to 6"), and the gap is wide enough so cats can easily enter, while narrow enough so dogs and babies cannot go through. You no longer have to put your cat in a cramped pet cage, perfect solution for the kitty to have privacy.