This is a very fluid, general-purpose alkyd resin medium that can be used to increase the flow and transparency of Chroma Archival Oils, as well as for glazing and other thin applications. Its fast-drying properties allow a variety of techniques beyond what is normally possible with traditional mediums. Odorless Lean Medium generates very little vapor, resulting in healthier and more pleasant painting sessions. This product is marked as a dangerous/hazardous item. Due to this fact, extra freight charges will be calculated upon check out.