The mark consists of the word ROK in black, capital letters with five sails at the right. The first sail starting at the left having a black border with the color white at the top interior of the sail above a blue stripe above a green stripe above a yellow stripe above a white stripe. The second sail having a black border with the color white at the top interior of the sail above a green stripe above a yellow stripe above a red stripe above a white stripe. The third sail having a black border with the color white at the top interior of the sail above a blue stripe above a yellow stripe above a green stripe above a white stripe. The fourth sail having a black border with the color white at the top interior of the sail above a red stripe above a blue stripe above a green stripe above a white stripe, and the fifth sail having a black border with the color red at the top interior of the sail above a green stripe above a white stripe above a yellow stripe above a red stripe above a blue stripe above a white stripe.
The color(s) black, white, yellow, red, blue, and green is/are claimed as a feature of the mark.