These tags/coins were designed to say what we know our four legged friends must be thinking. However, we know of many human types who have a sense of humor that these are also appropriate for. They are made of pewter and are then dipped in a mixture that looks like silver, but is actually nickel, copper and tin.
“I’ve seen a look in dogs’ eyes, a quickly vanishing look of amazed contempt, and I am convinced that basically dogs think humans are nuts.” - John Steinbeck