By adding this pet door extension, the pet safety door can be adapted into a larger opening in your home, stylish and delicate: the unique soft white finish can be combined with any home decoration and it has a durable metal structure Color: White Material: ABS + iron Note: 1. This extension accessory is used in conjunction with pet safety gates. This product does not work alone, it's an accessory to add on to the pet safety gate only. 2. Ensure the installation height is higher than 76CM 3. Ensure the installation width is greater than the total width of pet gate & the extension. 4. This product is only an extension of the pet door, the pet gate must be purchased separately. 5. Due to different lighting and screen settings, the color of the item may differ slightly from the picture. 6. Due to manual measurement, please allow slight difference in dimension. What's in the box? 1 x Pet door extension