Glass Inkwell with a unique shape and well-sealing Stopper - beautiful and functional for a great writing experience. Apothecary-style Glass Inkwell is 3.5" tall Holds 100 ml of ink. Dye Based Fountain Pen Ink With Clean-X Protects pens in 4 ways. Prevents gumming & clogging. Prevents metal corrosion, rubber-rot. Dissolves, flushes away sediments. Cleans your pen as it write