The built-in cat door design allows your cat to freely enter and exit the room, in search of their own cat food and litter box. At the same time, the closed door can prevent the entry of other family members, effectively isolate odors and give you fresh air. The outstanding features of the indoor pet door : 1. It gives your cat a separate space and prevents your child from accidentally entering the room with the cat litter in the event of an accident. 2. The simple and generous cat-shaped design, cute and low-key, can be easily integrated into your home renovation. How to install a cat flap? 1. Remove your door and set it on the workbench. 2. Stick the provided template on the bottom of the door. 3. Trace an outline of the template using a pencil or pen, then remove the taped template. 4. Using a jigsaw, cut out the hole following the outline. 5. Place the front of the cat flap over the hole to check the fit. 6. Mark the 4 screw holes. 7. Drill screw holes. 8. Apply 8 screws and