Border Collie Dog Silver Dog Tag Necklace Gift With a Message. This Border Collie Dog silver dog tag is made of polished stainless steel and the message is engraved on very high-quality metal so that it has an incredible shine that you will love every time you look at it. This Border Collie Dog dog tag also comes with a matching 60cm ball-style chain. It's the perfect gift for Border Collie Dog on any occasion.