This set of solvent based acrylic weathering paint includes six 1oz. bottles; Rust, Rich Oxide Brown, Weathered Black, Weathered Concrete, Grime and Dust. These weathering colors provide the discerning modeler with choices in how to weather or age your model railroad or diorama. These weathering colors are designed to be air-brushed and dry to a flat or satin finish for a more realistic appearance.