Our Stainless Steel Heart Pet ID Tags are made of durable premium grade stainless steel (SS). Each tag comes with 1/2 inch stainless steel split ring. The Stainless Steel Heart Pet ID Tags are professionally engraved providing you with maximum wearing time without loss of information through use. The Stainless Steel Heart Pet ID Tag can handle 1 to 3 lines of personalization with 13 characters per line of information.