Danitrio Roiro-migaki in Orange on Hyotan Fountain Pen100% Genuine Urushi Contains the Maki E Red Seal (Highest Quality of Maki E Art) Hand painted by highly trained Japanese Artisans The roiro migaki finish allows for the orange to be depicted visually so purely and homogeneous over the pen. Roiro migaki is when a non oil based urushi called roiro urushi is applied on the outer layer of the pen. About Danitrio Hyotan Fountain Pen Series: The Hyotan in Japanese means "Gourd" or "Calabash", which is a