TANGCHU Russian Piping Tips 28PCS/SET Stainless Steel Large Size Icing Syringe Set Ball Nozzles 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 large tip:upper dia:0.9" bottom dia:1.48" height:1.69" Coupler size(Suit for Large Tips): Upper Dia. 1.43" Bottom Dia. 1.8" Height 1.8" Ball tip: Upper Dia. 0.9" Bottom Dia. 1.22" Height 2.48"  Coupler size(Suit for Ball Tips): Upper Dia. 1.2" Bottom Dia. 1.8" Height 1.75" Include 28pcs items: 18 pcs of large different stainless steel icing nozzles to get different patterns ,2 pcs Russian stainless stell ball nozzles, 2pcs PVC colorSwirl 3-Color coupler,1pc silicone pastry bag and 5 pcs pastry bags.