Exclusive Ink Collection in a precious 50 ml crystal container. The Edelstein Ink Collection comprises seven brilliant colors with a special ingredient that ensures extra smooth writing and care for the fountain pen. The German word Edelstein translates as gem stone, and each color corresponds to the beautiful coloring of a gem. Every 50 ml high-value glass flacon is unique. The rich weight and soft curves make it a pleasure to hold in your hands. It‘s an ornament on every desk . . . Eye candy in every detail, a perfect gift for yourself and those you love.