PRINCETON ART & BRUSH-Catalyst Contour Tool. This tool is designed to work with pastes, gels, and heavy bodied paints. They are also ideal for cake decorators and food artisans. Countours are made of durable nylon with a soft-touch coating, and are ergonomically designed. They allow a direct interaction with mediums and surface to create unique textures. The tool is dishwasher safe. This package contains one 2-1/2x3 inch silicone blade tool. Available in a variety of colors, each sold separately. Imported.