1. Suitable Size Support: Designed for convenience, this dog door allows your pets to come and go as they please, ensuring comfort with installation tailored to their height. Suitable for a of small animals. 2. Ease Your Routine: Our sliding dog door provides separate access for pets, removing the need to monitor their every move. Enjoy added convenience as they enter the toilet or play by themselves, freeing up your time for other activities. 3. Enhanced Security Control: Keep your pet safe and secured with our dog door equipped with four sliding locks. You can set it to only enter but not exit or only exit but not enter, preventing your pets from lost unattended. The clamshell design ensures maximum safety and security, and can be locked and closed when needed. 4. Hassle-Free Setup: Our dog door makes installation a breeze on any screen area, including doors and window; screws are included in the package, though thicker doors may require longer screws for secure placement. 5. Durability : Crafted from robust ABS material, this dog door promises and, with a secure design, ensures that it stays firmly in place, not prone to spreading. Colour:B:Black Material:ABS Package Contents: 1 x Dog Door Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.