These lightweight personalized pet tags include a glow-in-the-dark tag silencer to quiet tag noise and protect tag surface and engraving, extending the life of the tag. Choose from 4 tag shapes: Bone, Round, Heart, Rectangle; and 8 vibrant colors. Tag can be custom engraved on both sides with up to 4 lines of personalized ID on each side. Pair with our Dog Tag Clip, opens in a new tab for easy collar attachment. Features and Benefits: Shape Options: Bone Regular: 1.6 x 1.1 in Round Regular: 1.4 x 1.2 in Heart Regular: 1.25 x 1.05 in Rectangle Regular: 2 x 1.1 in Personalize your tag by choosing from 8 bright tag colors and add up to a total of 8 lines of custom engraved ID. Made of anodized aluminum. Anodization process adds strength, resilience and luster to each tag. Includes glow-in-the-dark silencer to quiet jingling tag noise and protect tag engraving. Split ring attachment included.