Brady 70998 fire extinguisher l sign, polyethylene, 9w x 12h rigid polyethylene b-450 is ideal for high visibility fire equipment signs and a variety of custom markers and signs. L-style 90 high visibility signs project from the wall to be easily viewed from multiple angles. 3 to 5 year average outdoor durability. Linear polyethylene sheet contains uv stabilizers. L sign: plastic, white on red, 12 in h x 9 in w, fire extinguisher.