Peicees 23pcs Large Size Russian Piping Tips + 1pcs Tri-color Coupler + 10pcs Pastry Decorating Icing Bags Material: 304 stainless.Made of food grade material.Make beautiful, delicious flowers from your favorite icing in seconds. Create colorful roses, tulips and more with 23 stainless steel Russian piping tip Durable metal cake decorating set is designed for repeated use.Easy to keep clean and use Size(each item):upper dia:2.3cm bottom dia:3.7cm height:4.3cm Package includes:23pcs Piping Tips + 1pcs Tri-color Coupler + 10pcs Pastry Bags