Easy-to-use. Works like a piping bag. Also use with Cake Mate decorating tips. Round tip opening. Also use with Cake Mate decorating tips. Cake Mate decorating icing makes creating desserts easier than ever! The flexible pouch is easy to hold and control. The pouch opening is a round decorating tip that creates dot, bead, and ball decorations. The opening also can be used with Cake Mate or Betty Crocker decorating tips to make a variety of decorations.