Speedball Watersoluble Block Printing Ink - Set of Six Colors - Improved quality formula! These full bodied, water soluble inks offer bold, brilliant, opaque colors and excellent transfer tack with minimal odor. They roll up easily right out of the tube. Water clean up. Gluten free. Non-toxic. This set of six tubes is an ideal way to get going with printmaking. Included is one tube each of red, blue, yellow, black, white, and metallic gold.