100% polyester, chiffon, satin Adjustable lace up back closure Hand Wash Only 2 styles: strapless or straps, this long ruched mermaid dress is suit as prom dress, bridesmaid dress, evening gown, military ball gown, wedding dress Sweetheart, Mermaid style, Ruched, Beaded, Floor length, Built in bra, Little train Size is true to our size chart on product images, please kindly refer to it to choose right size based on your measurements Custom: choose color and style what you need and "one size" to place a custom order, then email us order ID, event date, custom measurements Making usually takes 4-5 business days, plus standard shipping 8-10 business days, expeited shipping 2-4 business days. If you need it urgently, please contact us, in most cases, we can provide rush service