The Brady Letter Label is a 3 inch character height label with a white background and black text. It is made of vinyl material and has an adhesive backing for application. The labels are useful for identifying wires, panels, components, equipment, and more. They have high adhesion and are resistant to most solvents and weather conditions. The labels come in a pack of 250 and have a temperature range of -40°F to 176°F. Overall, these vinyl letter labels provide durable and customizable identification.