Popular Backless Mermaid Satin Long Prom Dresses, Spaghetti Straps Prom Dress, BGS0419 This dress could be custom made, there are no extra cost to do custom size and color.Description of dress1, Material: satin, elastic like silk, pongee.2, Color: picture color or other colors, there are 126 colors are available, please contact us for more colors.3, Size: standard size or custom size, if dress is custom made, we need to size as followingbust______ cm/inchwaist______cm/inchhip:_______cm/inchshoul