Pet Screen Door with Magnetic Flap Lockable for Dog or Cat Black - Large

Swings both ways. Magnets slow the door down and stop it in place after 3-4 swings. You can lock the door to stop pets in and out, double-sided lockable. Inner door hole size: 11 x 13 inches; Outer frame size: 13.4 x 17.3 inches, need to be installed base on the pet's height, fits most breed cats and dogs, but not suitable for little kittens and puppies because this door may too heavy.