**Feature** Edelstein Ink Unique high quality glass flacon Special ingredient ensures extra smooth writing Makes a perfect gift Mandarin 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.