Tsukineko 0.5-Fluid-Ounce All Purpose Ink, Ultramarine Use it on wood, paper, leather and other porous surfaces too. All-Purpose Ink must be heat set on fabric for permanence. Heat set between color applications to prevent bleeding. Or layer colors to achieve a blended "watercolor" effect. 0.5-fluid-ounce bottle of All Purpose Ink Paint, airbrush, stencil or dye fabric to highlight your designs Heatset with iron (at temperature recommended for fabric) to make permanent) Water-based, easily blended (lightened or darkened) Blend two or more colors to create your own special color; Instructional DVDs available