TANGCHU Russian Piping Tips Large Size Icing Syringe Set DIY Coupler Nozzle (8 PCS) 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. Made of food grade material Use Seamless welding technology to make Easy to keep clean and use The price for 8PC product Size(each item):upper dia:2.3cm bottom dia:3.7cm height:4.3cm