Yellow BMP51/BMP53 Reflective Label. Highly reflective B-584 material shines brightly when struck by light which is ideal for applications where high visibility is critical. Perfect for labeling job site tools, hard hats, utility enclosures, poles and pedestals, rooftop equipment, racks and shelves. Retro reflective sheeting and pressure sensitive acrylic adhesive meet Federal Spec L-S-300 for Reflectivity. Average outdoor durability is 4-6 years. All-in-one cartridge includes ribbon and label supply.