Dive 
        flags are 
        USA made, 
        200 
        denier nylon, finished with heading and brass grommets.
      The 
        diving flag is available in three sizes. Official size is 20 x 30 inch. 
      Diver flags are 
        red with a diagonal white stripe from upper hoist to lower fly end and 
        are used to mark a "diver down".