Siren DressIt's a one size or custom size corset tie style backing. This dress does not come with lining. I always suggest wearing strapless shapewear underneath, a skirt slip, or at the very least seamless underwear either nude or white in color. This is also a low cut style dress so if you need more fuller coverage of the bust let me know especially if you have a larger bust area. It has a corset tie back, boning in the top & sleeves you can have on your