Buoyancy aid (4,6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">buoyancy aid</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for life jacket that I've seen before include "Flotation garment" , "Mae West" , "protective coat" , "Cover on biography" , "Buoyant belt" .)
(Other definitions for float that I've seen before include "Money in hand" , "Be buoyant" , "Drift aimlessly" , "Milk cart" , "Bob" .)