The refined technique used to produce resin makes it possible to capture the interplay of Van Gogh's colors. The colored swirls combine differently on every writing instrument, making each one a unique exemplar with its own personal story. All the metal parts of the writing instrument are made in brass and then palladium plated. Material: Acrylic resin. Closure type: Magnetic. Nib: Steel. Nib color: Steel. Filling: Cartridge / Converter.