Mares Buoy Diver Alert Marker.
All divers should carry an SMB when diving in the ocean or a large body of water. If they need to signal their location to the shore or a boat, the SMB is a highly visible marker that they can deploy underwater or at the surface.
180cm tall and 15cm wide for high visibility
Solar reflective tape
Automatic seal system
Oral inflation connector for BCD low pressure inflator hose connection
Pressure release valve
Dedicated pocket for light
Stainless steel D ring