NAMSAN Pet Screen Door Inside Size 12x16 Inches Sliding Doggy Door for Screen Door Lockable Cat Door Screen Door, Automatic Closing
Brand: NAMSAN
Magnets, Automatic Lock, and Lockable screen doors
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
Pls make sure that the width and the height(shoulder level) of the animal are inferior to the pet door.
Color: Black
Low Maintenance & Durable

Four Size - Thick: 0.59"
Cat door Small: 6.4W x 6.4H" (Inner); 8W x 8H" (Outer)
Puppy door Large: 8W x 10H" (Inner); 9.5W x 11.4H" (Outer)
Small Or Medium Dog door Small: 9.2W x 12.4H" (Inner); 28W x 36H" (Outer)
Dog door Large: 12W x 16H" (Inner); 14.1W x 18.1H" (Outer)
Package: 1 x pet door
Namsan pet screen door made of quality ABS material, durable and sturdy. Hanging hinge design made this screen dog door swings both ways freely last for a long time. Magnet slows the door down and stops it in place after 4-5 times sway.
Inner Size 12" x 16", Outer Frame13.8" x 18", fit most pets like dogs, cats, rabbits, pet pigs, but not recommended especially little kittens and puppies because this door is too large.
Only for existing screen door, porch, window or any other screen areas, but can not be used for thick wooden, iron/aluminum doors, walls. It does not come with the screen insert, you need to put the cutting-out existing door screen between the door flap when installing.
Use a flat-head screwdriver to separate doggie door so you have 4 parts(frame, flap) and cut down 2 black tabs. Tabs can push one into a hole on one side to lock the door to stop pets go in and out, double-sided slots lockable.
Apply the glue inside doggy door frame to fix it during installation, but the package does not come with the glue, recommended purchase Gorilla Glue. Whether you end up using glue or not, you must use 4 zip ties (provided) to hold the outer frame top and bottom to keep the door from separating and falling.