That's the Italian flag (not to be confused with the Irish flag, which has horizontal green, white, and orange stripes). On the Italian flag, the order of the strips (left to right) is green, white, red.
White blue and red horizontal stripes
Civil and State flag, Red/White/Red horizontal stripes
There are two "whites" on the current American flag: The 50 stars and six stripes. The six white stripes are horizontal from the left to the right on the flag separated by red stripes. White typically stands for "purity."
The flag of Serbia.
The flag with red, white, and black horizontal stripes featuring an eagle in the center belongs to the Republic of Iraq. The current design includes three horizontal stripes of red, white, and black with the Takbīr (the phrase "Allahu Akbar") in green Arabic script over the white stripe. This flag symbolizes Arab unity and has historical significance in the region.
it stands for purity The American Flag consists of seven horizontal red stripes and six horizontal white stripes. The total number of stripes equals 13 and represents the thirteen original colonies which rebelled against British rule.
Three horizontal stripes: red white and blue top to bottom
Sierra Leone
horizontal white, blue and red stripes with coat of arms
it has nine equal horizontal stripes of blue alternating with white.
The Kurdish flag has stripes of red, white, and green with a yellow sun at its center.