Speedball Water-Soluble Block Printing Inks print in bold color and dry to a rich, satiny finish. Available in 16 brilliant colors including 3 process, 5 metallics and 6 fluorescents across 5 sizes, these inks are great for printing with linoleum, wood or soft block surfaces onto paper. Safe for use in the classroom, all colors carry the AP Seal and clean up easily with soap and water.