TANGCHU Russian Piping Tips 29PCS/SET Stainless Steel Large Size Icing Syringe Set DIY Coupler Nozzle With Packing Box The TANGCHU brand sales by tangchubaking store. We are the only one brand quality goods.We shall not be liable for any purchase products from other store. Material: 304 stainless steel. Use Seamless welding technology to make steel. Made of food grade material. Easy to keep clean and use Size: Each tip:upper dia:0.9" bottom dia:1.48" height:1.69" Coupler size: Upper Dia. 1.43" Bottom Dia. 1.8" Height 1.8" Include 29pcs items: 18 pcs of large different stainless steel icing nozzles to get different patterns , 1pc PVC colorSwirl 3-Color coupler, 5 pcs Cleaning Brush Set and 5 pcs pastry bags.