DLG Farms 2 string bale measurements when laid flat are:
16"high by 18"wide by 45" long and weigh around 60 lbs. at a moisture content under 12%.

They are baled up from long straw that was harvested by a conventional threshing combine harvester and not a rotary combine.
These bales are made using poly twine.

Available in rice straw for orders taken well in advance of harvest.
Rice harvest is usually mid September to mid October.

Construction Grade Rice Straw Bales

Two-String Rice Straw Bales