Keep track of your pet and protect him from getting lost with these ID tags. Available in a variety of colors and FREE ENGRAVING!Protect your pet from getting lost with these ID tags with FREE ENGRAVING. Each tag is made of anodized aluminum; measuring 1-3/16" x 3/4"; and available in your choice of color. A split ring connector is included with each purchase. If frequent; easy collar changes are desired; consider the lobster claw styled connectors (sold separately); and to reduce noise from the tag; silencers are also offered (sold separately). Silencers also help prevent wear from other tags and charms worn at the same time. These products are also available in the accessories section below.