Cranfield's Caligo Ink is a line of Safe Wash Etching ink for artist quality results in a non-toxic environment. Though oil-based, it can be cleaned up with just liquid soap and water. Made with lightfast pigments and no driers, these inks can be used for all types of intaglio printing such as etching, aquatine and line engraving. This is a 75ml tube of Process Yellow with semi transparent qualities and average drying time. Made in the UK.