Product Description Speedball’s Water Soluble Block Printing Inks come in 18 brilliant colors available in 37cc. These inks are easy to clean up with water, non-toxic, gluten free and super for printmaking with linoleum, wood, Flexible Printing Plate, Speedy-Carve, Speedy-Cut and Polyprint. All Speedball inks are AP Non-Toxic and are excellent for use in the studio, school or home.