7-mil, enclosed lens, retroflective, engineer grade films that offer flexibility and versatility; Available in 11 colors, including black (which reflects white); Similar daytime and nighttime appearance that retains most of its reflectivity when wet; Excellent angularity; Pressure-activated adhesive for easy sliding and tacking; Permanent; For vertical, flat, curved or corrugated surfaces, with or without rivetsInformation provided by 3M |