Easy to Use: Cream Icing Piping Nozzle Tip is very easy to install, just cut out a suitable small opening in the piping bag and insert the nozzle into the bag. Enjoy Your Baking Aking Creativity: Cream icing piping nozzle tip and pastry piping bags can make a variety of different desserts, such as puffs, cup cakes, cream and other crowded butter.