That is a Scuba diver flag, meaning "diver down."
snorkeling or diving activities nearby
The Trinidad flag is a rectangular red flag with one black diagonal stripefrom one corner to the next this has white stripes on either side. These are our national colours.
This is a flag to indicate to all boaters that a free diver is operating underwater in the area
The American Flag has six white stripes.
red flag with white diagonal stripe
A red flag with a diagonal white stripe
There are seven red and six white stripes on the American flag. (thirteen)
There is more red stripes on the flag than there is white * White-6 stripes * red-7 stripes
The Australian flag does not have any stripes. The Union Jack in the upper left corner (or canton), which has diagonal lines but not stripes, acknowledges Australia's origin as a British settlement.
This is a Diver Down flag. It indicates that there are SCUBA divers underwater nearby and to steer clear of the immediate area if you are in a motorboat or jetski.
The flag of the Republic Cuba consists of a red triangle, one white star, and five stripes. The stripes run horizontally. There are three blue stripes and two white stripes.
The flag with white and red stripes is the flag of Poland.