Get the Princeton™ Catalyst™ Silicone Wedge No.6 at Michaels. com. Designed for use with heavy bodied paints, this Wedge No. is made of engineered silicone and is ergonomically designed to fit in the hand for a more direct interaction with art work. Designed for use with heavy bodied paints, this wedge is made of engineered silicone and is ergonomically designed to fit in the hand for a more direct interaction with art work. It is ideal for oils, acrylics and water-miscible oils, and because it is heat resistant, it excels at encaustics as well. Shape plaster, clay and even frosting. Clean up is a breeze, and in most cases can be done with mild soap and water. Dried paint can be peeled off the silicone surface for a fresh start. The blades can even be separated from their wood handles for cleaning. Details: Wedge Shape No. 6 Silicone is easy to wipe clean Solvent resistant material Made of FDA approved silicone For use with oil, acrylic and water miscible oils | Princeton™ Catalyst™ Silicone Wedge No.6 By PRINCETON ARTIST BRUSH CO. Paint | no. 6 | Michaels®