United States Army 31st Chemical Brigade ACU Patch
Criteria: This shoulder sleeve insignia (SSI) is worn by the 31st Chemical Brigade. The two "D's" stand for the Dixie Division from which the brigade originated. A brigade of the Alabama Army National Guard (AL ARNG). Patch measures 2-1/2" in diameter with hook and loop fasteners. Worn on the Universal Camouflage Pattern (UCP) Army Combat Uniform (ACU). Sold individually.
This attaches using hook and loop fasteners. (See video)