This is dedicated to researching pet supplies, which made of quality ABS material, durable and sturdy.
Install the attached screws with nuts to this cat door frame will more sturdy enough and never fall down easily, the door flap can be replaced anytime.
Built magnetic into the door flap can keep automatically closing when your doggie or cat sliding the screen door, even you lock the door by the 2 side blue lock when you want to prevent your pets go out.
You can install your pet screen door into a screen door, window and any other screen areas, install manual attached, easy to install.
Small one : Inside size 10.2 x 8 x 0.4 inch, outside size: 11.4 x 9.4 x 0.4 inch, only can be installed on the door, window or wall with screen net, suit for small dog, cat or any pet you would like to them go in and out freely.