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.

Oil stains are common around engines, hinges and all the moving parts of vehicles. The colour and the shiny look of the stains give the model a realistic aspect. Oil Stains can be applied in the shape of spatters, drips or traces in specific areas.