Use a variety of tips with the same color of frosting with this Standard Plastic Coupler. This plastic cake decorating coupler saves time and effort by making it easy to swap out cake tips on your piping bag. Simply insert the larger base into your decorating bag, then use the screw-top ring to attach any standard Wilton piping tip to your bag. When you're ready to switch tips, unscrew the ring and attach a new piping tip. This standard coupler works with any 12 in. or 16 in. disposable or featherweight bag. Plastic coupler is also dishwasher safe for easy cleaning.