The Ultra Reflective Letter R from Grainger is a 10 pack of 6 inch tall reflective vinyl letters in the color red. These letters have an adhesive backing for easy application to vehicles, signs, windows, and more. They are made from engineered grade prismatic reflective vinyl and meet DOT C2 reflective standards for optimal nighttime visibility. With 360 degrees of reflectivity, these durable and weather resistant letters stand out in low light conditions. They can be used for commercial vehicles, trailers, fleet graphics, safety signage, and decorative applications.