Coefficient of retroreflection (RA) measured at -4° entrance angle and 0.2° observation angle (in cd/lux.m2). Has a polyester liner on top of the vinyl film for easy handling. Remove liner prior to application. Certified to meet ANSI/ISEA 107-1999 Level 2 retroreflective performance and EN 471 Class 2 retroreflective performance. The Reflected color during nighttime viewing is white.