Cranfield's Caligo Ink is a line of Safe Wash Relief 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 less than 1% of driers, these inks are suitable for all types of relief or block printing, such as woodcut, and wood engraving, letterpress and linocut. This is a 250gm tin of Black with semi opaque qualities and average drying time. Made in the UK.