This string is made up of 9"x12" polyethylene (plastic) flags. The 30' string has 16 flags and the 60' string has 32 flags. The string is made up of assorted countries, shown here and carried in stock. If you need 6+ strings (of either size), we can make custom combinations from our selection of 22 available countries. They are: Luxembourg, Portugal, United Kingdom, Mexico, Puerto Rico, Canada, Sweden, Norway, Austria, Finland, USA, Europe, Belgium, Spain, Denmark, France, Germany, Greece, Holland, Ireland, Italy, and Israel. Please inquire about custom strings with specific countries from the above list by email.