Enjoying Pet Screen Door 8"×10.2" Inner Door Size, Cat Doors with Replacement Magnetic Flap Lockable Doggy Screen Door, Black

Pet door is made of high-quality ABS material, strong and durable. Designed with a cute dog paw pattern. Magnetically embedded in the door, it will close automatically when your dog or cat comes in or out. If you want to prevent pets from going out, you can lock the door with a blue lock. Use nuts and screws attched to the dog door when installing. Make the door relatively firm and not easy to fall off. In addition, the inner flap of pet door can be replaced at any time. Comes with instructions for easy installation. It can be installed on screen doors or screen windows. Not recommended for very thick wooden, iron or aluminum doors. Inner frame size: 8"×10.2", outer frame size: 9.4"×11.4". Allows puppy, cats or other small pets to come and go freely.