Paper handkerchiefs (7)
I believe the answer is:
tissues
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">paper handkerchiefs</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tissues that I've seen before include "Soft, thin pieces of paper" , "Thin skins or papers" , "Paper hankies" , "not to be sneezed at? Au contraire!" , "Sheets of very thin paper" .)