Joinor Russian Piping Tips Set 28PCS/SET(23 Nozzles+4 Pastry Bags+Coupler) 304 Stainless Nozzle Kit for Decorating Cake and Icing Cupcake Perfect for making your own beautiful and unique cakes,puff,or pastry Material: 304 stainless steel. Made of food grade material. Use Seamless welding technology to make. Easy to keep clean and use Size(each item):upper dia:0.9" bottom dia:1.45" height:1.69" Includes: 23 Nozzles+4 Pastry Bags+Coupler