The size is not a big size， please read the size chart in the product description carefully ，if you are not sure of the size， one size up is a good idea. Classic and iconic style that will never be out of fashion. This swing dress has a really 360 degree skirt. See Product Description Below For Size Information.                                                                                     S:  US SIZE 4-6   Bust(33.1-33.9) Waist(27.6-29.2) Length(33.1-33.9)<br><br />M:  US SIZE 6-8   Bust(33.9-35.4) Waist(29.2-30.7) Length(33.9-34.7)<br><br />L:  US SIZE 8-10  Bust(35.4-37.0) Waist(30.7-32.3) Length(34.7-35.4)<br><br />XL: US SIZE 10-12 Bust(37.0-38.6) Waist(32.3-33.9) Length(35.4-36.2)<br>