White cotton fabric (6)
I believe the answer is:
calico
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">white cotton fabric</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 calico that I've seen before include "Plain cotton cloth, white or unbleached" , "Coarse printed cotton cloth" , "Cotton cloth or fabric" , "spotted in America" , "Type of cotton cloth" .)