Petleso Dog Door Screen - Lockable Pet Door for Screen Pet Door for Small to Large Dogs Cats - Large Special Design -- Outer 11.49.4 ; Inner 8.2510.5. For SMALL PETS , such as cats doggy puppy (Please measure the door inner size before order this door screen door for screen,thanks) Features -- Ultrahard ABS material to impact resistance and the screws will fix the dog scree door firmly ; Dog paw shape screen is super thick that can anti scratch by cats dogs. Strong inner flap dog screen door. Lock & Automatic closure -- Inner flap has two slid lock help you to lock the dog screen door for screen. Magnetic control makes pets go in and out freely and safely by this dog cat door screen. Suitable -- For all screen door , sliding door and other screen door and window. Installation -- Included the instructions and fixing screws.