Here is the replacement rope for your old throwbag
It is Yellow Dyneema and floats and is strong enough to pull just about anything off anything, and floats. This rope has an average breaking strain of 2,100kgs.
Being 8mm even with wet, cold and stressed people, it makes it easy to see and pull out of danger, or recover gear
This rope is sold per meter with most throw ropes being approx 20 meters.