CENTURY POLE TENT FOR YOUR SPECIAL OCCASION. THIS ITEM IS USED TO EXPAND IN 20FT SECTIONS AN EXISTING 40X40FT CENTURY POLE TENT. *(2) 40X20 ENDS REQUIRED IN ORDER TO ADD MIDSECTIONS. (1) MIDSECTION ALONG WITH (2) 40X20 CENTURY POLE TENT ENDS WOULD CREATE A 40X60FT TENT, (2) MIDSECTIONS ALONG WITH (2) 40X20 ENDS WOULD CREATE A 40X80FT TENT. (3) MIDSECTIONS ALONG WITH (2) 40X20 CENTURY POLE TENT ENDS WOULD CREATE A 40X100FT TENT