Alice & Elmer Women's Rayon Sleeveless Cross Halter Backless Bodycon Bandage Cocktail Evening Party Clubwear Club Dress Material:90% Rayon, 9% Nylon, 1% Spandex Style:Halter neck,Washing instructions:hand wash in cold water . Can't use washing machine, Medium temperature to dry.(which can dry cleaning) Sizes:Extra Small(US2-4),Small(US4-6),Medium(US6-8),Large(US8-10) Sleeveless Cross Halter Backless sexy dress with good elasticity Please read the size chart in the left picture.Please note:The Generic Amazon Size Chart is not our size.