Vallejo Pigments Set - Dust & Dirt This set of pigments is designed for creating the effects of dust and dirt on scale model vehicles and dioramas. The pigments chosen for this range are all earth and iron oxides, especially suitable for all the different climatic and geographical conditions of the terrain of a diorama. All pigments from Vallejo Pigments range are suitable for recreating any types of terrains and geographical conditions. How to apply: Use Matt Medium or Pigment Binder to adhere the product to the surface of your model. Pigment Binder has a longer drying time. Includes: 4 x 35 ml bottles: VAL73103 - Dark Yellow Ocher (light rust, wet beach winter sand) VAL73110 - Burnt Umber (fresh dark mud, urban dust, oil and dirt) VAL73115 - Na. Iron Oxide (charred metal and rock, engine exhaust) VAL73121 - Desert Dust (desert dust)