DynamicNord Surface Marker Bouy 1.50M SMB-3

With a length of 1.5m and a width of 20cm, the buoy is clearly visible on the surface.

Inflate the buoy under water with the octopus. You can also use the valve on the surface to add more air. With the handy quick-drain valve, you can easily release air and water from the buoy after diving.