Enjoying Pet Screen Door for Doorway Automatic Locking, Magnetic Doggie Door with Screen- Larger: 12W&rdquo; X 16H&rdquo; Use new entire joint shaft : The inside door will be jointed firmly with the dog door frame. The slippy surface material will not scratch pets skin when pet through the pet cat door. Free Little host : Let you provide a free and safety exit and entrance for your pets to indoor and outdoor from this pet door. Safety : Magnetic open and close by your pets / Lockable pet screen door helps you to control your pets security. Home installation : Simple and convenience install at home, come with English installation instruction. Size : Design for small to large dogs , cats , rabbits or reptile (Frame 13.6  18 , Inner 12  15.5)