Below is the list of tables from the database along with their columns and datatype. Need to generate an accurate SQL query for the question.
Only use the columns present in the respective table. Only use the columns which are required to generate the SQL query. Only use table joins if required and not otherwise.

### Tables ###
TABLE: CREATE TABLE Owners (first_name VARCHAR, last_name VARCHAR, owner_id VARCHAR)
TABLE: CREATE TABLE Dogs (size_code VARCHAR, owner_id VARCHAR)

### Question ###
List each owner's first name, last name, and the size of his for her dog.

### Accurate SQL ###

SELECT T1.first_name, T1.last_name, T2.size_code FROM Owners AS T1 JOIN Dogs AS T2 ON T1.owner_id = T2.owner_id