Get this SmartTag Pet ID from $15 right now at Groupon. These pet ID tags usually start at around $32. The tags are customizable, come on a nylon collar, and you'll get complimentary replacement if the tag is damaged. Plus, the tag includes a pet protection plan which stores your pet's information in an online database that can send an alert to local shelters and vets if your pet is lost ( a 1-year plan is included, the 5-year plan is $28 and the lifetime plan is $35). Sales tax is charged in most states.