Product DescriptionExternal size (L x W x H): 19 x 21.5 x 5.5 cm Internal size (L x W x H): 16 x 15.7 x 5.5 cm It is suitable for cats weighing less than 7 kg and having a waist circumference of less than 40cm. Note 1). Make sure the width and height (at the shoulders) of the pet is less than the pet screen door, thank you. 2) The magnet at the bottom of the door frame is for aligning the flap after movements, it doesn’t work as a lock, thanks. Product Enhanced Features: 1. Convenient button style switch, you can easily control your chat or other chat in or out options, just at your fingertips. the entrance, at the entrance, at the entrance and at the entrance. exit, totally locked. 2. Fixed groove with agrave miters pressure from a weatherproof brush strip helps a lot to fix it. 3. The depth of the tunnel can be reduced, plus 1 pack of long screws + 1 pack of short screws, double-sided tape, to meet the needs of the tunnel. your needs, which install in different types of interior
