The flag of the United States, also known as the Stars and Stripes, has the following properties:

1. Colors: The flag consists of three colors:

   • Red (#B22234)
   • White (#FFFFFF)
   • Blue (#3C3B6E)

2. Aspect ratio: The flag's aspect ratio is 1.9:1 (width to height).

3. Geometric properties and measurements:

   • The flag has 13 horizontal stripes of equal width, alternating red and white, starting and ending with a red stripe.
   • In the top-left corner, there is a blue canton that spans the height of the first 7 stripes.
   • The canton contains 50 white, five-pointed stars, arranged in nine rows of alternating five and six stars.

4. Standard size: A common size for the flag is 3 feet by 5 feet (0.9144 meters by 1.524 meters), but it can be scaled proportionally for different sizes.