This 5 piece set includes two 12" nylon icing bags,a large tube cleaning brush, 2 large Bennett piping tubes - 846 large star & 808 large round. The large star tube is ideal for piping large swirls of buttercream or other toppings onto cupcakes and the large round tube is ideal piping smooth swirls. This set can also be used for piping potato and meringue.