This is a fun fountain and ball point pen set from Inoxcrom of Spain. The pens are made of translucent plastic and decorated withcolorful graphics. The fountain pen has a iridium-tipped steel nib, size medium (M), and uses standard cartridges. The fountain pen has a snap-on cap (rather than a screw-on cap). The ball point pen uses Parker and compatible refills (including Peikan, Aurora and others). The ball point is extended and retracted by pushing the cap. The set comes in a plastic box with one ball point refill and one ink cartridge.