This Norfolk & Norwhich Terrier Dog Roller Pen "Best Friends" by world famous Artist Ruth Maystead is a unique charming pen featuring an intricate detailed design of both the Norfolk and Norwich Terrier Breeds. Made of plastic it measures 5.25" Long,13 mm diameter and weighs 0.4 oz. It is black ink, medium point and has a gold cap with shirt clip. This roller pen's playful design captures the charm and character of both these beloved breeds and serves as a cute and functional addition to any desk or workspace.