Introducing our Dog Screen Door with Locking Function - Inside Door Flap - Magnetic Self-Closing Screen Door. This pet screen door is designed for screen windows or doors, allowing your pets to get in and out of your home easily. It has an inside size of 14x12x5 inches and an outside size of 16x14x5 inches. Our dog screen door features a self-closing mechanism with a built-in magnetic closure. This ensures that the door automatically closes when your dog leaves, keeping insects and other unwanted pests out. The door is also lockable, allowing you to prevent your pets from going out at night or when you are not at home. Made of high-quality ABS material, our pet screen door is sturdy and durable. It is reinforced with screws to ensure it never easily falls apart, providing long-lasting use. Installation is easy and can be done by yourself. Your beloved pets will find it easy to push or close the door. The versatility of our pet screen door allows you to install it into a screen door, window, or any other screen areas. It is suitable for all pets up to small/medium-sized dogs. Give your pets the freedom to go indoor or outdoor on their own with our convenient and reliable Dog Screen Door.