Cat Door For Cat Dog For Pets Size L 23.5 * 25 * 5.5cm, White Features: Material: ABS (acrylonitrile butadiene styrene), acrylic This Pet door is suitable for windows, glass doors, brick walls, PVC, PVC and metal doors.Description: Cat Door For Dog Cat Size L (23.5 * 25.2 * 5.5cm)Material: plasticColor: whiteSize L whole flap including frame: 25 *23.5 *5.5cm The current flap: 19 * 18.2cmLeave your cat pass through every interior door Give your cat the freedom to come and go as they please with this cat flap featuring a 4-position locking system Features: 4 ways to check in and out: (1) Pull the red button to the right and the blue button to the left, the shutter will unlock. The cat can come and go. (2) Remove the red button on the left and the blue button on the left, cat can only go in and not go out. (3) Remove the red buttons on the left and the blue buttons on the right, cat can't go out. can't get in and out.(4) Remove the red button to the right and the blue button just remove to the right, remove the cat and can't go down.Package included:1 * Pet Cat Door