Our gorgeous dog ID tags are made with solid stainless steel with enamel. These tags are twice as thick as most dog tags on the market. When it comes to dog tags, your pet deserves the best. Each tag is polished and hand buffed and comes with a lifetime warranty that includes free replacement for engraving wearing out. Once you purchase the tag, you will receive an email asking you for the engraving content. If you don't receive an email check your spam and/or contact us. Once we receive your engraving instructions, your tag will ship within 48 hours. If you want to expedite the process, please send us an email with your engraving information after you purchase the tag. Instructions for engraving: Small tags - three lines of engraving with 12 characters including spaces on each line. Medium tags - five lines of engraving with 16 characters including space per line. Large tags - five lines of engraving with 19 characters including space per line.