The Sisseton-Wahpeton Oyate of the Lake Traverse Reservation, formerly Sisseton-Wahpeton Sioux Tribe/Dakota Nation, is a federally recognized tribe comprising two bands and two sub-divisions of the Isanti or Santee Dakota people. They are located on the Lake Traverse Reservation in northeast South Dakota. All of these flags are digitally printed knitted polyester. Made to order item. Lead time approximately 10 business days.