Reversible fabric (6)
I believe the answer is:
damask
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">reversible fabric</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 damask that I've seen before include "Silk or linen material woven with pattern on either side" , "Red" , "Rich, heavy fabric with a pattern woven into it, a tablecloth say" , "Patterned material" , "Fabric used for table linen" .)