Pebeo opaque black Chinese ink 250ml Black liquid India ink in a 250 ml tube. Ideal for working on calligraphy, mixed media, gouache, etc. It is water resistant, that is, waterproof. It is also permanent once dry. It can be used with a brush suitable for inks, such as a pen, nib, etc. Can be combined with watercolor or other washes. Does not produce reactions. Wash the brushes with water after further use. Manufactured by Pébeo. Packaged in a 250 ml bottle. Brand: Pebeo.