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.