Disc shaped pet ID tag gives pet lovers peace of mind. Pet ID tag is a brass mouse engraved with all the information for a lost pet to be safely returned. Looks great dangling from a collar too. Please specify pet's name, address, and your phone number (first line, limit 10 letters and spaces; lines 2 and 3, 20 letters and spaces). Please use hyphens for phone number. Disc: 1 1/4".