Fire Extinguisher Signal widely used in pubilic security, fire safty and carious products ,no raditio, safe and reliable 2012 Hot Sale 150*150 Fire-Fighter Saving Signal BZ 1.its installed on the vehicles, buildings, or road sign in order to warn the danger2.material:rigid pvc3.size: according to customers requests.... .... 2012 Hot Sale 150*150 Fire-Fighter Saving Signal BZ