black red round do not swim warning sign , water hazard risk caution at sea beach or river

art font line brand logo text circle diagram cartoon number presentation label organ symbol signage drawing black red round swim warning sign vector water hazard risk caution sea beach river allowed ban beach board caution cigarette circle danger deep deep water sign forbidden hazard icon information isolated label lake lifeguard smoking notice pool prohibited prohibition protection red restricted restriction risk river round safety sea security set silhouette stop swim swimmer symbol vector warning white