TANGCHU Russian Piping Tips - 17 Piece Set of Stainless Steel Large Icing Nozzles &ndash; Includes Bonus Coupler and 5 Pastry, Cake, Cupcake and Cookie Decorating Pastry Bags AMAZING: Wow your friends and family with imaginative, unique and beautiful cakes, pastries, etc. GENUINE: Real TANGCHU Russian icing tips, made from 304 stainless steel. CRAFTED: Using seamless welding technology with non-toxic food grade material. BONUS COUPLER: Makes putting the icing on the cake quick and easy. EASY: To use and keep clean. Long lasting. No-risk money back guarantee.