This Please call my Dad PS he\'s single name tag is perfect for the dog whose Dad is single and ready to mingle! This dog ID tag is made from silver plated brass. If using as an ID tag in the UK the Control of Dogs Order 1992 states that any dog in a public place must wear a collar or engraved tag with the name and address (including postcode) of the owner.Your telephone number is optional but we would recommend this. The tag is 28mm in diameter and 2mm in width.