For use with SolarFast dyes, SolarFast Thickener increases the density of the dye for screen printing applications. SolarFast dye can also be thickened in order to apply it with a variety of tools, like block prints, stamps, applicators, paintbrushes, or stencils. 1 tablespoon will thicken 4oz. of dye. Featured in “This Just In” from the January/February 2014 issue of Cloth Paper Scissors!