The ColorSwirl 3-Color Coupler Decorating Kit has everything you need to get started. Use the ColorSwirl 3-Color Coupler to seamlessly blend 2-3 color icings as you pipe. Choose from double swirl or triple swirl colors. The interlocking coupler pieces connect multiple decorating bags, allowing you to swirl 2 or 3 colors together with one simple piping motion. Simply connect and secure with the included ring. Use the included 16 in. decorating bags to decorate sweet treats with the easy ColorSwirl technique. Alternate decorating tips to vary piping techniques.