3M™ Diamond Grade DG3 Fluorescent microprismatic reflective sheeting is highly visible in daytime, twilight, nighttime and inclement weather and performs at a wide range of entrance and observation angles. Fluorescent Yellow meets the color specifications for yellow traffic control signs and devices. Fluorescent Yellow Green is approved for signs warning of the presence of non-motorized traffic: school signs, pedestrian and bicycle crossing signs. Fluorescent Orange is designed for use on rigid substrate work zone signs. Exceeds ASTM D4956 Type XI specifications.