Dog Door for Screen Doors, Large Dog Opening for Sliding Doors, Inner Flap 12"14" Lockable Magnetic with Automatic Close, Sturdy ABS Pet Doorway for Small to Large Dogs, Black L

Large Dog Door Size: Outer 14"16"0.5", Inner flap opening 12"14", suggest for medium to large breed dogs. | Give your pet an independent door: Let your pets in and out freely to go to the yards or balcony, make your life more convenient. | Lockable & closes automatically: 2 sliding locks on the flap bottom help you to lock the dog screen door, ensure your pet stay inside when unsupervised. Built-in magnetic make the pet door can automatic close quickly after going through. | Material: Made of sturdy ABS plastic, screws can fix the dog screen door firmly, makes it stay stable on your screen door. Cute paw design bring more fun to your home. | Easy to install: You can install this pet door to a screen door, window and any other screen areas you like, package included with screws and install manual.