A vertically oriented support member has a circumference. A flag has an interior edge and an exterior edge separated by a length. The flag has an upper edge and a lower edge separated by a height. The flag has a first surface and a second surface. First fasteners are on the first surface adjacent to the interior edge of the flag. Second fasteners are on the first surface parallel with and laterally spaced from the interior edge. The second fasteners are spaced from the first fasteners by a distance at least equal to the circumference of the support member. A portion of the flag between the first fasteners and second fasteners is secured to and encompasses the support member. Indicia is provided on the flag. The indicia is closer to the exterior edge than to the interior edge.