Faber-Castell Black Glass Ink Bottle 30 ml Ink bottle. Container material: glass. Content: 30 ml. Ink colour: black Quality ink made in Germany. Ink in a 30 ml glass bottle, suitable for daily use, very smooth and with a quick drying time. This material is waterproof and permanent, it cannot be erased Its use will be perfect both in first quality paper and in one of lesser class Brand: Faber-Castell