PlexiDor can help you choose the best dog door selection with our standard dog doors, extreme weather dog doors, and lockable dog doors to fit every size of pet. PlexiDor doggie doors are available in small pet doors, Medium pet doors, large pet doors and extra-large pet doors. PlexiDor’s saloon style pet doors are energy efficient dog doors and cat doors. The heavy duty dog door works for big dogs and small dogs alike. All the pet doors are safe and secure and can be easily unlocked and locked. PlexiDor offers many installation options – door mounted pet doors, wall mounted pet doors, window pet doors and even for sliding doors. They can be installed in metal or plastic screen windows or doors and are popular dog doors and cat doors for exterior walls. When you are ready to fix your low quality dog flaps with a high quality pet door, PlexiDor Performance Pet Doors are your choice.