This Ambition OpArt Black Sand pen has a barrel made of resin featuring a fine guilloche pattern with geometric lines and colors for a three dimensional effect. The fittings are made of highly polished chromed metal. Cap with a spring-loaded metal clip pulls off and posts on the back end when writing. The fountain pens feature a high-quality stainless steel nib and a cartridge/converter system. Includes one blue ink cartridge universal converter sold separately.