Made of stainless steel, which are safe and harmless. Cake decorating kit provides everything for new beginners and professionals. Piping nozzles to make your cakes look stunning Non-stick, non-toxic, corrosion resistant, can be used repeatedly. Easily washed by hand or dishwasher. Enjoy with your family: These piping tips are seamless designed for added safety when decorating pastries, you can feel free to use the icing piping tips with your kids and add family fun time in the kitchen. cake decorating is a perfect tool to create scroll work, lettering, flowers, borders, and other frosted accents on cakes, cupcakes, cookies and more, for your next birthday or wedding cake.