FashionMark Womens Plus Size Plain Racer Back Muscle Maxi Dress Machine Washable Womens Plus Size Plain Racer Back Muscle Maxi Dress Material: 95% Viscose 5% Elastane Approximate Length: 52" Soft, Stretchy & Comfortable material Size Guideline : US XL (12-14) = UK (16-18), US XXL (16-18) = UK (20-22), US 3XL (20-22) = UK (24-26)