Material: 304 stainless steel. Made of Food Grade material.</br>It takes only one step to make a beautiful flower. Stylish and exquisite.</br>Professional and reusable product?? Easy to wash and handle</br>Wildly use in cake?? bakery?? tray mats?? party?? hotel?? etc. Using this small icing nozzles to decorate your cakes and cookies.</br>Large Size:3.7cm(Bottom Dia)*4.2cm(Height)*2.4cm(Upper Dia). Quantity: Includes: 37 Stainless Piping Tips + 1 Coupler + 4 Pastry Bags</br><br/>http://www.amazon.com/gp/product/B01GYQUUEY