Hillman 3 in. Black Vinyl Die Cut Sticker Letter R a simple and effective way to enhance the visibility of your home's address or labeling needs. These black die cut letters are designed with a peel-off, self-adhesive backing that makes installation quick and hassle-. To ensure adhesion, it is important to apply these stickers on a clean surface. Not only do they improve visibility from a distance, but they also comply with the coast guard's requirements for use on light watercraft, making them versatile for various applications. Model Number: