Material:The pet door is made of ABS material, which is safe and non-toxic, strong and durable. The central flap is transparent, which makes it easier to observe the situation in front of the door. Suitable for small dogs as well as large, medium and small cats. Please rest assured. Design Details: You can move pets inside the door according to your needs. The brush on the cat door can reduce the noise caused by opening the cat door, and also can clean the debris on the cat door during clean entry and exit, and prevent the cat door from jam due to obstacles. 4-Way Access Control: Inward-open, outward-open, two-way open, locked. Use the cat flap to allow cats to come and go as they please, or to keep them safe inside or outside the house when needed. Free your hands, stop playing door opener cat! Easy Installation:Step-by-step installation guide in the user manual included in the retail box and installation introduction video. 'facility. Keep this in mind and prepare the necessary tools, easy to install if needed. The depth of the tunnel can be reduced depending on the installation needs. Ideal choice:With the practical cat door, the cat can come and go as it pleases. you can choose whether the door should be opened in both directions. The door flap is also ideal for small dogs. The fabric seal on the edges prevents drafts from entering.