Material: 304 stainless steel. Made of food grade material, created using a seamless welding process. The sockets are made of durable stainless steel, they will not rust, dent or tarnish. . Assembly is very simple: Choose a pocket and a sleeve of the corresponding size Put the sleeve in the pocket Slide the inside screw into the pocket to push the sleeve Screw the outside screw through the front of the sleeve pocket. . Easy to use and clean: just a little pressure on the pastry bag, you can create beautiful flowers. With a bit of clean brush, to make the tips cleaner for you. . Fit For: Create stunning cake toppers with this all-in-one decorating kit The cake turntable will help you easily decorate your cake while the other elements provide the perfect touch If you love to cook or prefer to do it part time, this set is for you Also suitable for making cakes for birthdays, weddings and other special events . 12 month warranty: We provide 1 year warranty for FantasyDay cake decorating nozzles. s, contact us directly. .