Also known as "Relief Ink." Dries to a rich, satiny finish. Easy clean-up with water. Non-toxic. Gluten free. Super for printmaking with linoleum, wood, Flexible Printing Plate, Speedy-Cut™, Speedy-Carve™ and Polyprint. Ink conforms to ASTM D-4236. Excellent for use in the studio, school or home. AP non-toxic, lightfast and archival.  Made in USA. Colors include red, black, blue & yellow.