If you need high visibility, look no further. Flourescent glow flagging stands out in any environment, and our flagging is the most durable, longest-lasting outdoor flagging made today, thanks to proprietary formulations and annealing. Made of non-toxic 3.0 mil plastic, this flagging is temperature resistant down to -20 F. Glow flagging is 1-3/6" wide and comes in 150' (50 yards) rolls. Carton of 12 rolls.