Water based high quality, acid-free, concentrated colorant ink spray for colorizing paper, canvas, wood, paper, clay and more. Use for quick and easy ink coverage on porous surfaces. Spray through stencils, layer colors, spritz with water and watch the color mix & blend. Intermixable, transparent and permanent. Can be used alone or over acrylics. Cleans up easily with soap and water. Non toxic. Certified by EN 71 & CE.