Hosdog Cat Door Flap, Magnetic Pet Door, 4 Way Locking Cat Flap Fits Interior Exterior Doors, Indoor Wall or Hidden Cat Litter Box, Easy to install, Suitable for Small Medium Sized Cats (Black)

[Convenient Lock] --- This cat door has a 4 way knob-style switch, you can easily rotate it to control your cat's access options: in only, out only, in and out freely, totally locked. [Unique Design] --- Unlike other boring square cat doors, our interior cat door is a unique round design and cute cat appearance. Give your kitty her freedom with this stylish interior pet door! [Easy Installation] --- The magnetic pet door comes with 3* nuts, 3* screws and 1* instruction manual. Installs in minutes, built-in screws for full stability, it fits 1"- 2" hollow-core & solid doors. [Premium Material] --- Made of high-performance ABS door frame and the transparent PC door leaf, scratch resistant and durable. Built-in screws keep the door in place for many years to come. [Wide Application] --- The inner size of the flap is 7.87in/20cm diameter. Fits kitties up to 20 lbs. Don't worry, your smart pets will quickly learn to jump and their paws or nails won't get stuck.