Bargman 74-72-040 Reflector (Red and Clear 1" x 12" Conspicuity with Adhesive Back - 4 Pack (2 of each)) Red and clear conspicuity reflectors are comparable in light return to 2 inch x 12 inch reflective tape Hermetically sealed to prevent moisture entry which can cloud or damage the reflector Adhesive fiber back provides instant adhesion even on rough or uneven surfaces Narrow 12 inches long by 1.1 inches wide size allows for many placement options Meet or exceed DOT-C and SAE J5941 standards for reflectivity marking on trucks/trailers and Backed by Bargman's Limited 1 Year Warranty