Another idea--I had my business cards printed with all the info on the right side of the card front. The left side is the perfect size for two earring wires. I use a tiny hole punch to make four holes (two for each ear wire) and thread the wires though. Been doing it this way for years. I use my b'card as "tags" on my other jewelry (necklaces, bracelets, etc., punch hole and thread with embroderie floss to attach) with the price sticker on the left side. Kind of kills two birds with one stone.