CONVENIENT LOCKING: This cat door has a 4-way knob style switch, you can easily swing it to control your cats access options: entry only, exit only, entry and exit freely, fully locked . UNIQUE DESIGN: Unlike other boring square cat doors, our interior cat door is unique round design and cute cat appearance. Give your cat freedom with this stylish interior pet door EASY TO INSTALL: Even if you have no installation experience, dont worry. All you need is a picture and a pen, cut out the pattern according to the template, then hang it on the door. EASY ACCESS AND KEEP THE SMELL OUT: Create a private getaway for your cat in the laundry room, pantry, basement, garage, etc. Keep litter box smell out of your living room and keep dogs and babies away from cat food. DURABLE MATERIALS, MADE TO LAST: The cat door is shatterproof and scratch resistant. Built-in screws keep the door in place for many years.