Autism Service Dog tag for small animals Engraved Austim Service Dog tag is made from our Tuff-Tec Plastic which makes it resistant to scratches from your animal's daily activity. Blue autism puzzle tag for medium to large animals is approximately 2 inches wide and reads "Austim Service Dog" in bold white letters. It is a great addition to hang on our Vests and Harnesses, on a collar, or even on a carrier. Designed and printed in the USA. We also have an Autism Service Dog tag for small animals.