4 WAY SWITCHING MODEDog flap, pet door, screen door, 4-way closure Pet flap, small dog and cat screen with bezel both in and out, and control easy and fully locked from your pet's entry and exit.SIZE AND APPLICATIONFOR SMALL AND LARGE DOGS AND CATS - Large dog door size: 30X35CM, suitable for cats and dogs less than 11.8 kg and a waist circumference of less than 60 cm.AUTOMATIC CLOSURE AND LOCKABLEThe pet door with magnetic flap lock, the built-in magnet can keep the door closed automatically closes when your cat or dog walks.EASY INSTALLATIONFull instructions included, make it easy to install in screen doors, panels and patios or other screened areas etc.EXCELLENT QUALITYOur cat door frame is made of m High quality ABS material, the net yarn is made of expensive materials, strong and durable.