All nozzles are made from the highest quality, 100% food grade stainless steel. - Easy to clean and dishwasher safe. - Compact, lightweight and easy to use. - Made with durable and premium materials so they last for as long as possible. - Meets all industry standards. Reusable and non-stick. - The tips, silicone pastry bag, coupler, and case are all tasteless and non-toxic. - Perfect tools to decorate all your cakes, cupcakes, cookies, pastry and more. Easy to Use: The baking accessories included in this set are quite easy to use, which is why they are recommended for beginners or culinary masters. So you'll now create beautifully cupcake frosting designs, cupcake decorations, cake icing tips, frosting tips for beginners. Easy To Handle, Easy to keep clean And Use.