Daler Rowney FW Artist Acrylic InkThe dark, waterproof, acrylic-based Daler Rowney FW Artist Acrylic Ink (29.5ml) delivers outstanding lightfastness and color Permanent. These pigment-based inks work like watercolors and can be used straight from the dropper for delicate tones or diluted. These English-made inks provide artists will produce work of the highest caliber.Pigment-based inksHigh lightfastnessFully intermixable colorsCan be diluted to watercolors, water-soluble and water-resistant.Usable with airbrush and technical pens.Made in England