95% Polyester, 5% Elastane Corset closure Hand Wash Only Material: The formal prom corset dress made of 95% Polyester, 5% Elastane. Soft, comfortable, skin-friendly, stretchy. Features: Sexy tight cami long dress, adjustable straps, square neck, open back, fish boned, zipper back, lined, solid color, floor length, slim fit, plain, adopts the close fitting style and mermaid hem design, your body curve could be highlighted, perfectly showing your noble, elegant. Occasions: This bodycon maxi dress suitable for party, club, prom, wedding, wedding guset, cocktail, evening party, evening gown, date night, dinner, night out, street shooting, everyday, fall, spring, summer. Size: XS = US 0-2; S = US 2-4; M = US 4-6; L = US 8-10; XL = US 10-12. Please refer to our size chart, any questions please feel free to contact us. Washing Care: Hand wash in 30 degree water, hang to dry in the shade, no bleaching.