The Vallejo Weathering Effects range, have been formulated with permanent pigments and water-based acrylic resins, have been developed to represent the effects of time and weather on models and dioramas.

The stains of gasoline and diesel oil do not have the same colour: Diesel Stains reproduces the exact orange shade of this fuel, the streaks, traces and splashes caused by refueling with diesel in the field are perfectly reproduced.