The Reflective Numbers And Letters R-PK25 from Grainger are 2-inch high reflective letters and numbers that can be used for labeling and identification purposes. They are made from durable acrylic plastic with a pressure sensitive adhesive backing for easy application. This 25-piece assortment includes 2 each of letters A-Z and numbers 0-9 in black color. The reflective coating allows them to be easily seen in low light conditions. These letters and numbers can be used for labeling shelves, bins, equipment, controls, and more to improve visibility and organization. They are weather and UV resistant for indoor or outdoor use.