New boohoo dress, size 16 2XL in sand, tiered maxi dress, generous fit, backless, back tie. Carefree, breathable, and flattering to shape, this piece lengthens your silhouette. With floaty material that skims the body to highlight your curves, this longline piece is just as versatile as it is comfortable. For style you can rely on, a plus-size black maxi dress is always a great bet. Style: Maxi Dress Fabric: Woven Length: Maxi 100% Polyester. Machine Wash. Model Wears US size 12.