PETLESO Large Dog Door for Screen Door, Easy Install Lockable Pet Screen Door for Sliding Door, Doggy Screen Door, Gray, Inside size: 14”x12”

Makes lives easier, gives dogs more independence: Give your dogs an separate access, they may be able to going out or coming in every time they want and you no want to stand up every 5 minutes to open the door for them.
Automatic close and lockable: 2 magnets on the door frame, the pet door will close quickly after your dog passes by, and as a result of the magnetic force, flies and other small insects can’t get in. 2 blue locks can help you lock the door completely and cannot be passed through.
Super easy to install: Install the door frame on your screen door with the small nuts, then cut the screen and install the door flap, installation complete! Please note the position of the installation, it is suggested the highest point of the dog door is about 2” higher than the dog’s back.
Large dog door size: Inside size: 14”*12”*0.5”, outer frame size: 16” * 14” * 0.5”. Suitable for Medium to large dog, please measure the size of your pet and compare to the door size before purchasing.
How to teach your dog: Your pet may afraid to use this door in the beginning, you just want to give them time to get used to the door. You’ll be able to put dog’s favorite food or toy on the each side and guide dog through once and once again, they’re going to learn how to use it soon.