Packaged in handy 1-oz. portions, this six-pack of Cold Mold™ silicone compound lets you mix up a small amount of compound quickly and easily with no measuring or guesswork. They're so compact and portable that you can carry them with you wherever you go, ready to capture a unique pattern or texture in minutes! Two-part Rio Cold Mold™ compound delivers 0% shrinkage without heat. Combine equal amounts of each part, no release agents are needed. Ideal for molding delicate originals, master models and for use with metal clay.