DESCRIPTION The body of ystudio desk fountain pen is made of copper with the solid pen holder made of brass. This also comes with exquisite paper box package. The pen writes steady and smooth. Fountain nib is from Germany Schmidt and it comes with a Schmidt converter inside. It’s a true eye catcher and a great gift suggestion. SPECS Material：Brass, Copper Specs：9.7 X 11 X 142 mm Refills：Come with a converter included (International Standard Cartridge Type) USE&CARE The color of copper would be changed by different users and various environments yet this is also its unique feature. The oxide is harmless. It would restore its original luster by wiping with copper oil.