Tag Silencers eliminate the annoying noise created by pet tags (rabies tag, city license, ID tag, etc.). Helps tags last longer, reduces tag noise, and they glow in the dark. Using tag silencers will make life better for you and your dog. Tag noise attracts unwanted attention from other dogs! Tag silencer keeps the information from wearing off the tags and helps eliminate "Tag Tarnish" on the necks of white or light-colored breeds. Installs in seconds.