three equal horizontal bands of blue (top), white, and blue, with five blue, five-pointed stars arranged in an X pattern centered in the white band; the stars represent the members of the former Federal Republic of Central America - Costa Rica, El Salvador, Guatemala, Honduras, and Nicaragua
note: similar to the flag of El Salvador, which features a round emblem encircled by the words REPUBLICA DE EL SALVADOR EN LA AMERICA CENTRAL centered in the white band; also similar to the flag of Nicaragua, which features a triangle encircled by the word REPUBLICA DE NICARAGUA on top and AMERICA CENTRAL on the bottom, centered in the white band