Beret Flash Description
On a blue shield-shaped embroidered item with a semi-circular base 2 1/4 inches (5.72cm) in height by 1 7/8 inches (4.76cm) in width overall edged with a 1/8 inch (.32cm) gray inner border, quarter notched black and a 1/8 inch (.32cm) black outer border a 3/8 inch (.95cm) gray diagonal band from upper left to lower right.

History
The beret flash was approved on 30 Jan 1997.

Source: The US Army Institute of Heraldry