WATER BASED INK - Water soluble with excellent workability for a consistant print result every time. Prints bold and dries to a rich, satiny finish. Applies easily and deliverse smooth uniform coverage with no clumps - ideal for beginners and pros alike. Ultra low odor and easily cleans up with soap and water. CREATE GORGEOUS PRINTS - Great for printing on paper or cardboard with linoleum, wood or soft block surfaces, flexible printing plates or polyfoam GROUND AND MILLED TO THE PERFECT CONSISTENCY – Ink has a tack that ensures even coverage and allows for consistent, spectacular results every time SAFE FOR THE STUDIO & CLASSROOM - All colors carry the AP Seal tested to be safe and non-toxic by the Arts & Creative Materials Institute, so you can print with peace of mind. MADE IN USA - Proudly manufactured in Statesville, NC. Over 75 years ago we pioneered the formulation of water based inks - we strive for consistency and quality in every batch. Our dedicated Customer Service team is available to help with any part of the block printing process. The Speedball Water-Soluble Block Printing Ink is a favorite among artists and students. These premium printmaking inks are all ground and milled to the perfect consistency which create bold prints that dry to a rich, satiny finish. This ink is available in a wide variety of brilliant colors which include metallics and fluorescents ideal for block and relief printing. Use it on linoleum, wood, Speedy-Cut Easy, Speedy-Cut, Speedy-Carve and Polyprint. The block printing ink has nice tack which ensures even coverage and allows you to produce consistent, spectacular results every time. There is no messy clean up when using this block printing ink. When you are done with your project the ink will come right off you using soap and water. The Speedball Water-Soluble Block Printing Ink is safe for adults and children to use. AP Certified