The Ambassador Rollerball pen is a beautiful work of art. The hardware accents are Cobalt Gold and Titanium. The materials that the pen is made of are two contrasting acrylics to make the pen stand out in any situation. The refills are Schmidt and can be purchased from any office supply. The pen comes with a Medium point black ink Schmidt Cartridge. The cap is postable to the pen body and can be used with or without it attached.