Joinor 13PCS Stainless Steel 304 Russian Piping Tips Reusable Pastry Icing Bags Nozzle Coupler Set (Includes: 8 Stainless Piping Tips + 1 Coupler + 4 Pastry Bags) Material: 304 stainless steel. Made of Food Grade material. It takes only one step to make a beautiful flower. Stylish and exquisite. Professional and reusable product, Easy to wash and handle Wildly use in cake, bakery, tray mats, party, hotel, etc. Using this small icing nozzles to decorate your cakes and cookies. Size:3.5cm(Bottom Dia)*4cm(Height)*2.4cm(Upper Dia) . Quantity: 8 Stainless Piping Tips + 1 Coupler + 4 Pastry Bags