Puffin Reel & A.P.Valves Sealing SMB
A great SMB and Reel combination, more details about both of these are given below!
Over 40m line on heavy duty nylon reel with thumb-operated ratchet and quick-release clip.
AP Valves Sealing SMB
SMBC - Surface Marker Buoy Closed (self-sealing) - developed exclusively by the A.P.Valves' design team - has what appears to be an open ended base but as soon as you fill the buoy the internal baffle is forced shut preventing the buoy from accidentally deflating on the surface.