This magnetic door insect screen is made of a durable nylon mesh that lets in fresh air while keeping insects outside. This insect screen is equipped with 18 strategically placed magnets so that you, your children, guests, and even pets can easily get in and out. Whether you go in or out, even if you hold something in your hand, the magnetic anti-insect mesh closes automatically after you have gone through it. The miracle insect screen is ideal for single doors, french doors, and even sliding glass doors. The system can be installed in just a few minutes without tools, and without damaging the door frame.