Decorate with ease using the Wilton Large Coupler, designed to let you quickly switch between large piping tips without changing your frosting bag.Perfect for use with 14 to 18 Featherweight or disposable bags, this sturdy plastic coupler provides added stability when piping buttercream, royal icing, and more.Simply insert the base into your decorating bag, attach a large Wilton tip, and secure it with the screw-top ring. When youre ready to switch tips, just unscrew the ring and swap in a new tipno need to reload your frosting!Features:Great for giving piping tips added stability when piping buttercream, royal icing and morePerfect for use with 14 to 18 Featherweight or disposable bagsMade from high-quality plasticDishwasher safe