Keep Dogs Out | Cat door latch is designed for pet homes to allow cats to enter and leave the room freely while keeping dogs out or protecting babies and family members from large animals. Adjustable Width | The flex latch features 5 adjustment holes, providing more flexibility than standard stoppers. Adjust the width to fit your pet’s size. Compatible with most doors. Durable Materials | Made from high-quality PE and stainless steel, this cat door holder withstands impacts from large dogs. Resists breakage and maintains reliable performance. Easy to Use | No tools or modifications required. Simply insert the pin into the lock slot without damaging the door. The fish-shaped design is both functional and stylish. Stay Out of Trouble | Easily isolate large animals, giving your cat a comfortable and independent space while helping maintain a cleaner, safer home.