High quality material: The portable magic door is made of nylon mesh + stainless steel tube, which is safe and durable for pets or children. Dimension:This door is 28.3 inches / 72 cm high and expands to 43.3 inches / 110 cm wide, Suitable for most ordinary home doors. Easy to install: Just hook the hooks on both sides of the door (in the right place). Fully assembled for immediate use. Unique design: When not in use, you can easily fold and store it wherever you need it, with almost no space required. The design is very stylish and elegant, so you can add beauty to your house while doing a good job. Versatile: This pet safety door is not only suitable for small pets, but also keeps babies safe from danger. It can be installed anywhere including houses between doorways, walls, stairs, bedrooms, kitchens, etc.