Background Trimming (Oval) Description
A gold oval-shaped embroidered item edged with a 1/8 inch (.32 cm) blue border, 1 3/8 inch (3.49 cm) in height and 2 1/4 inches (5.72 cm) in width overall, bearing a blue band from upper left to lower right.

History
The beret flash was approved on 6 March 1990.

Source: The US Army Institute of Heraldry