Your waist trainer needs to fit correctly in order to see results. We try to make our size chart as accurate as possible for you, however you know that each and every woman has a unique body shape. A size chart does not take into consideration your body shape. That’s why we offer you a free sizing consultation service. Simply contact us and send us your waist and torso measurements along with a photos of your stomach from the front and the side. We will get back to you with a sizing recommendation. You must email us prior to purchase and request help with sizing in order to be eligible for a return. If our sizing experts recommended a size that did not fit you, we will initiate a return for store credit.