●Standard couplers: these white couplers are 3 cm/ 1.2 inch long, and their base' diameters are 2.5 cm/ 1 inch, fit for standard-size icing nozzles

●Usable range: the standard coupler fits all decorating bags and standard-size tips, helps you change piping tips without unnecessarily wasting bags or frosting

●Simple to use: cut a tiny hole in the bag corner, insert this plastic coupler, then attach the tip and screw on the ring, after done, remove the tip and coupler, wash them clean

●Durable and practical: the pipe tip couplers are made of quality plastic, with sturdy construction, make you decorate cake and cookie conveniently and quickly

●Quantity: 4 x cake decorating couplers, enough for different usages, you can change similar sized tubes without emptying the contents of the decorating bag