How to use: Pour water into a tray and simply drip a few drops of the dyes on water then swirl with utensils to create your pattern, lay desired material on the dye for the created pattern to transfer then peel it away. Other materials such as paper, cloth, wood, leather, etc. can be dyed using the traditional Japanese "suminagashi" technique. Ideal for making your personal greeting cards, batik dyeing and children's projects. It contains water soluble ink made of pigments, not dyes. Precautions: Ink stains on clothes will not be washed. Ink may pop-out if the tube is pushed strongly upon opening.