StudioSolv is a purified, odor-free oil-thinning medium. It's Designed to thin oils and mediums while maintaining the integrity of your color. Add sparingly to your oil paints, and experiment with different ratios to find the consistency you prefer. Although aromatic solvents have been extracted to remove odor, adequate ventilation should be practiced for safety. StudioSolv is a purified, odor-free oil-thinning medium. It's Designed to thin oils and mediums while maintaining the integrity of your Color. Add sparingly to your oil Paints, and experiment with different ratios to find the consistency you prefer. Although aromatic solvents have been extracted to remove odor, adequate ventilation should be practiced for safety. The DaVinci Air Tight Stainless Steel Brush Washer holds 500ml of fluid. The removable interior cleaning grate helps loosen paint and keeps clean solvent above its holes so you can constantly reuse it. The specially outfitted gasket on the lid is solvent resistant to keep an airtight seal no matter what cleaning agent you use.