Screen Pet Door

Turn A Screen Door into a Pet Entrance. This door installs without special tools, has a snap latch so you can limit access when you want and works on any door or window with a screen. Opening for small: 8"w x 9 1/2" h. Opening for large" 12"w x 16"h. Small: for pets up to 30 lbs. Large: for pets up to 80 lbs. Specify: Small or Large.