With the ColorSwirl Tri-Color Coupler Decorating Set from Wilton you are directly ready to start decorating. Use the ColorSwirl Tri-Color Coupler to make a seamlessly two or three color swirl of buttercream. Just connect and secure with the included ring. The coupler interlocks three decorating bags into place so you can easily decorate cakes, cupcakes and other sweet treats in multiple colors. You can also switch out tips easily for different piping techniques in the same icing colors. The coupler includes three interlocking coupler pieces that are placed in decorating bags. The ring holds the decorating tip secure while piping. The kit comes with tips 1M and 1A. But the coupler also works with tips 4B from Wilton (sold separately). Content: 2 tips (1M and 1A), 6 disposable decorating bags (40 cm) and illustrated icing designs.