Micro-Mark Terra Textures are appropriate for reproduction of ground textures on diorama and vignette bases. This texture is acrylic-based and can be mixed with other products including Micro-Mark Acrylic Paints both brush-on and airbrush. The Terra Textures are also compatible with most other acrylic paint brands. Surface should be clean, dry, and free of loose particles. Cure time depends on the thickness applied. Terra Textures can be mixed with each other to create desired effects. Clean up skin and tools easily with soap and water. 8-ounce jars have at least a 2-year shelf life when stored properly.