Description: Our classic bone shaped personalized dog tags offer double-sided engraving for all of your dog's important ID. Lightweight aluminum ID tag in 8 vibrant colors and 2 sizes for dogs small and large. Features and Benefits: 2 Sizes: ◇ Regular: 36mm x 31mm ◇ Small: 26mm x 23mm ❈Made of anodized aluminum, this tag can be personalized with up to 3 lines of engraved ID on both sides. ❈Anodization process adds strength, resilience and luster to each tag. ❈Colorful tags add a splash of color to your pet thanks to 8 bright color options in 2 tag sizes. ❈Split ring attachment included.