Large Size: These couplers length is 3.8 inches, compatible with the piping tips 0.83inches-1.2inches(the bottom diameter), please measure your tips carefully.
Easy to Use: Cut a tiny hole in the bag corner, insert the coupler, then attach the tip and screw on the ring, after done, remove the tip and coupler, rinse them.
Range of Uses: Large plastic coupler specifically for use with large decorating and filling tips.
Top Quality Material: Made with FDA standard food grade plastic, durable and quality construction, making cake and cookie decorating convenient and quick.
Package Includes: 4 pack of pipe tip couplers, enough for you to use, you can change similar sized tubes without emptying the contents of the decorating bag.