Citadel Dry Compounds are of a thicker consistency than other Citadel paints, which makes them perfect for drybrushing – a handy way to pick out the details on a model, or apply highlights swiftly and easily. All Citadel paints are non-toxic, water-based acrylic that are designed for use on plastic, metal, and resin Citadel miniatures. One pot contains 12ml of dry paint. One pot contains 12ml of paint. Designed for use on plastic, metal & resin. Non-toxic, water-based acrylic paints.