A Leonberger requires an extra large PlexiDor dog door.
The Best Pet DoorMost pets hate flap doors! PlexiDor Pet Doors are long-lasting and beloved alternatives.
They have hinges, like a door, so there's no loud flap slap or flexible materials. They lock easily, and most models come with a steel security plate for additional security when you are away.
Need help finding the right door?