<br>Magnets, Automatic Lock, and Lockable screen doors <br>This pet/cat door for screens is designed for doors, windows and any other screened areas to allow in/out access for your baby. Pets/Cat can easily push open the door. Simply push the latch down to lock the door and lift it up to unlock the door. For cats, small dogs, medium sized dogs and medium/large dogs <br>Pls make sure that the width and the height(shoulder level) of the animal are inferior to the pet door. <br>Color: Black <br>Low Maintenance & Durable <br> <br>Four Size - Thick: 0.59" <br>Cat door Small:<b> 6.4W x 6.4H" (Inner); 8W x 8H" (Outer) <br>Puppy door Large:<b> 8W x 10H" (Inner); 9.5W x 11.4H" (Outer) <br>Small Or Medium Dog door Small:<b> 9.2W x 12.4H" (Inner); 28W x 36H" (Outer) <br>Dog door Large:<b> 12W x 16H" (Inner); 14.1W x 18.1H" (Outer) <br>Package: 1 x pet door<b>