White House Black Market 100% Silk Halter Size 6 Color Black Gray Print Fabric: 100% Silk shell with ruching. Soft satin Ribbon bow (uncertain if this is polyester or silk) polyester lining. Non stretch. Sheer: No. just the overlay shell to the lining as seen at the bottom Hidden side zipper for easy on of Condition NWT maybe some slight imperfections not easily seen.