The Brady Reflective Numbers and Letters N-PK25 are a set of reflective numbers and letters that can be used for labeling and identification purposes. They are made of a durable polyester material with a pressure sensitive adhesive backing for easy application. The numbers and letters measure 1 inch tall and come in black with a silver reflective coating to improve visibility in low light conditions. This set includes 2 full alphabets and 10 numbers to provide a wide selection of labeling options. With high reflectivity and a strong adhesive, these reflective letters and numbers are ideal for labeling equipment, facilities, storage areas and more to improve organization and safety.