Bug Off started the instant screen industry more than 20 years ago and we still use the most durable materials including USA MADE Screen Mesh that won"t fall apart and High Energy USA MADE Magnets that snap closed better. Our magnets are sewn onto the screen with strong webbing behind them, so they won"t fall off. No hassle and no damage to your door frame. It"s so easy, almost anyone can install a Bug Off Screen in about 5 minutes. Move Bug Off from door to door, or take it to your vacation home. Use it year-round, or temporarily, when and where you need it. Space saving design allows for easy storage at seasons end. It installs without tools in about 5 minutes, using an included, adjustable spring tension rod needing only a 1" depth at the top of your doorjamb, for a secure fit. The rod installs into one of two tunnels at the top of the screen, for easy height adjustment. You manually adjust the tension rod 1"-2" wider than your doorjamb to provide a tight, secure fit without damaging your door frame. Then the rod and screen are placed at the top of the doorjamb. Small hook and loop strips are sewn onto the sides of the screen and attach quickly and precisely to the sides of the doorjamb.