That's ridiculous! I would go in person and complain to the manager. Anyways I wouldn't shop there, Petland is still selling puppies. Even if your local Petland isn't, others still are.
On a helpful note, go on ebay, there are tags just like that for about $2 free shipping.
http://www.ebay.com/itm/Custom-Engra...item29fee18d9f http://www.ebay.com/itm/Stainless-St...item45ed325108