bug off Instant Screen Door 1.magnet in the middle 2.close automatically 3.prevent mosquitoes 4.easy use Bug Off Instant Screen 1.function :prevent mosquitoes,flies, insects,ect. with magnet strip in the middle of the mesh door(window), it can be closed automatically when people going through.2.fix instruction:using nails or double-sided tape to fix the mesh door on the doorframe3.material: ...