Petsafe® 2-Way Cat Flap
For cats up to 15 lbs. Flap opening 5 3/4″W x 5 3/4″H
Color White. Durable cat flap fits any interior door that is 1″to 2″thick. Your cat can come and go from the room where the litter box is housed, even when the door is closed. A sliding lock bars access whenever you chose.