Feature: 1. 44cm * 34cm/ 17.3 * 13.3inch, suitable for small, medium, large dogs and cats, provide an in and out access for your lovely pets. 2. Magnetic and automatic self-closing design, no need to close it manually after pet leave, convenient for use, prevent mosquitoes and other incests get in. 3. Double-sided lockable, can be easily locked when you want to keep your pets in the room or stay outside, flexible for use, satisfying your different needs. 4. Designed for screen windows and doors, comes with screws and installation instructions, no complicated installation steps, easy to install. 5. Made of durable ABS material, sturdy enough to withstand pet\u0027s bites and sharp claws; with screw reinforcement, not easy to fall apart. Specification: Features： 44cm * 34cm/ 17.3 * 13.3inch, suitable for small, medium, large dogs and cats, provide an in and out access for your lovely pets. Magnetic and automatic self-closing design, no need to close it manually after pet leave, convenient for use, prevent mosquitoes and other incests get in. Double-sided lockable, can be easily locked when you want to keep your pets in the room or stay outside, flexible for use, satisfying your different needs. Designed for screen windows and doors, comes with screws and installation instructions, no complicated installation steps, easy to install. Made of durable ABS material, sturdy enough to withstand pet's bites and sharp claws; with screw reinforcement, not easy to fall apart. Specifications： Color: Black Material: ABS Product Size: 44cm * 34cm * 1.7cm/ 17.3 * 13.3 * 0.66inch Product Weight: 900g/ 31.7oz Package List： 1 * Dog Screen Doo Package List: 1 * Dog Screen Doo