Had planned to get a regular dangle-from-the-collar tag until I read positive reviews of this one. I have a beagle/dachshund mix who regularly runs around in the yard and plays at the dog park, and it stays fastened to his collar. After several weeks, it has maintained its appearance (no scratches or discolorations), and best of all, it doesn't bump into his rabies and license tags, so it is silent.