The idea is that you attach this wall paper which is made out of some kevlar-like material which is stronger than the wall itself. They tested it with a wrecking ball and some explosives and it withstood the test which is really impressive. Supposedly the US Army is thinking about getting it for their Bases which would make sense. Not sure How much sense it would make for civilians like us. If your really interested its called X-flex Blast Protection System, sounds pretty epic for a stick on wallpaper doesn’t it. you can check out their page here.