Nia Black Sequin Velvet Long Sleeve Mini Dress Shop All NIA Nia Stylish Wrap Dress MINT LONDON DRESSES NIA. The Nia Dress combines elegance with versatility. Its smocked cotton bodice offers a flattering fit, while the structured poplin skirt provides a polished silhouette. Cut in a strapless midi length, this timeless piece transitions seamlessly from day events to evening occasions. A wardrobe essential that delivers both comfort and sophistication. Fit: True to size Measurements: Model is 5'10 and wearing a size S Fabric Content: Self: 99% Cotton, 1% Elastane, Trim: 90% Polyester, 10% Spandex Care: Dry Clean Only