The flag of Puerto Rico consists of five equal horizontal stripes—two red stripes, alternating with two white stripes and a central blue stripe. The width of the stripes is 1/20 of the hoist size; the central stripe is 1/5 of the hoist size. There is a large white five-pointed star in the center of the blue stripe. The width of the star is 1/2 of the width of the central stripe.