OPTIONAL BACK SIDE ENGRAVING lets you add contact information to ensure that your pet is returned to you. Choose from 4 striking Colours(Black, Silver, Gold, and Champagne Gold),4 Sizes(25mm 30mm 40mm and 50mm) and 2 Different Shapes(Round and Bone). The package includes: 1 tag & 1 stainless split ring. Personalised dog tag is made of high quality stainless steel. Click on the Customize Now button to add your engraving requirements. Please note: The engraving preview is just a guide we may size your text to best suit the item.