Strapless midi dress Straight Neckline Ruched fabric- 100% Polyester NO STRETCH ON THE BUST AREA- picture posted of the inside. The bust section is about 8inches in length is almost like a corset and about 18inches from one side to the next- picture posted as well Under the bust area the fabric does stretch Side Hidden in-seam zip closure, again when you get the bust it gets tight. Good part is that no bra is needed as it holds firmly.