Made from Engineering Grade B-997 material, our Bradylite reflective numbers and Letters reflect light 100 times brighter than a plain white surface so are ideal for low light or dark areas. Labels are guaranteed to perform despite storms, snow, humidity and other tough environmental conditions. Special cold temperature adhesive can be applied at temps as low as -10 degree F (-27 degree C). To order simply substitute the character you need in place of the asterisk to complete the catalog number. Choose from 3 different sizes and 4 different color combinations. Characters available are: A-Z, 0-9.