Speedball Water Soluble Block Printing Ink, Black, 2-1/2 Ounces Speedball Water Soluble Block Printing Ink adds brilliance to your creations. Perfect for printmaking with linoleum, wood or any relief printing in the studio, school or home. Ink is non-toxic, gluten free and easily cleans up with soap and water. Made in the USA. Black. 2-1/2 Ounces. Sold as each AP certified Cleans up easily with water Superior tacking to get the most even coverage on all printing surfaces Mixes together well to create special tints and dries quickly enough for classroom use