The Stipula Castoni Chic features the finest in Florentine hand crafted quality in a stylish collection designed for everyday writing. Each pen serves as a setting for the genuine cabochon stone set into the curvaceous clip. The unique shape of each pen is achieved by lathe- turning solid bars of Italian resin material, one by one, and then bringing them to a high polish. Each fountain pen is fitted with an iridium steel nib and is available in wide array of point sizes. Filling System – Cartridge or Converter (Included).