Mehome 36 PCS/SET Russian Piping Tips 304 Stainless Steel Large Size Tulip Icing Syringe Set DIY Coupler Nozzle Cake Decoration Tool Material: 304 stainless. 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" The ASIN for 36PC product, it includes 32PCS Russian Piping Nozzles+2 Silicone Piping Bags+1 PCS 3-color coupler decorating tool+1 PCS Flower Nail It's not suit for Wilton large coupler The Mehome brand sales by yaxuan store. We are the only one brand quality goods.We shall not be liable for any purchase products from other store.