These wraps of often dipped into a sauce before each bite for extra flavour. Any preferable sauce can be used, however the main dipping sauce used are Vietnamese Fish sauce (also called Nuoc Mam), satay dipping sauce or Hoisin Sauce.
Of course, you may choose anything you like as your main ingredient, but the the main and most popular types of Rice Paper Rolls that can be made are:
Vietnamese Rice Paper Rolls (Pork and Prawns)
Source: http://www.thelittlephocafe.com.au/our-food