High quality material: The main material of this Dog Safety Gate is made of sturdy nylon mesh, which is woven into a translucent mesh-like fabric, allowing you to observe where the pet is outside the door in the piece. Telescopic tube: The retractable tube is made of stainless steel which is not easily deformed, and its ends are sealed with O-rings, which makes it easier to pass tunnels from both sides, and also greatly reduces the risk of being scratched by the tube during the operation. installation. Lightweight and portable: suitable for most ordinary family doors. The pet safety cover is ideal for interior and exterior doors, doors between walls or stairwells. The foldable design makes it easy to carry and store. Wide Application: The folding door can be used as a baby gate or a cat flap. It can control pranks by providing a safe and enclosed play and rest environment, supports adhesive installation and non-marking nail installation, which is very suitable for whatever you want locally.