Inflatable heavy duty poly-vinyl round buoy with detachable flag pole & flag, strategically placed line attachment point for quick and easy line attachment. Safely displays diver’s location on the surface throughout a dive to all other water users and indicates a diver’s position to surface cover. Measures approximately 13 inches – 330mm in Diameter and 8 inches -200mm in Depth, plus the Flag Pole which is approximately 12 inches – 300mm long.