Sinopia Milk Paint is an All Natural Milk Paint based on the Casein Protein from Milk. Unlike other Casein/Milk Paints, Sinopia's Milk Paint is ready to use directly from the jar or bucket. No weighing, measuring, mixing and no surface limitations. Paint can be applied to all dry and clean surfaces, both indoors and outside. Sinopia Milk Paint can be thinned with water and cleans up with water. Never has a safe paint option been this easy to use! Ingredients: Water, Casein (Milk Protein), Salt, Flax Seed Oil, Saponified Olive Oil, Pine Resin, Beeswax, Chalk (Calcium Carbonate), and natural pigments.