Zara knit dress, deep V back

Sparkly black dress originally from Zara Knit, though tag is removed. Deep V in back and form-fitting aesthetic makes this the perfect little black dress. Fabric unspecified, but likely polyester; black knit is very soft & has a subtle sparkle to it. Inner lining slip keeps it from riding up. Excellent condition, save for small red mark on left side waist, as shown in picture.