Benu Chameleon Fountain Pen - FriendlyBenu's Chameleon Collection is made from a unique resin that changes color depending on the angle from which you view it. The unique, three sided shape of the pen gives it a captivating look and prevents it from rolling. Grooves near the end of the body allow for posting the cap. The Chameleon sports a #5 steel Schmidt nib and arrives in a standard Benu box. Nib Material: Steel Filling Mechanism: Cartridge, Converter (Included)