Pebeo Studio Xl Fine Oil 200-Milliliter, Neutral Grey The range includes 64 colors, including 7 dyna and 5 glazes, that come in standard packaging, 37ml, 80ml and 200ml as well as 5 colors in 650 ml jars; studio xl fine oil colors can be mixed together; the viscosity is constant from one color to another Ideal for working with matter, xl oil dries to the touch in 3-6 days for an avarage application and allows for additional coats after 4 days; allow 6-9 months of drying before varnishing Can be applied on canvas, cardboard, and wood (suitable for most surfaces) To thin the colors, use essential oil of petroleum, oils or oil mediums depending on the deisred effect Clean brushes with essential oil of petroleum