Wonder-beauty Women's Waist Trainer Belt Sport Girdle Shaperwear Waist Cincher Please Do Not use the size chart. It is amazon's sizing not our product's size. Please Refer On the Drop Down Menu Sizing, that is the right one. SIZE DETAIL: S: Fit 31"-35",width 8.66" M:Fit 35"-39",width 8.66" L:Fit 39"-43",width 8.66" XL:Fit 43"-47",width 8.66" XXL:Fit 47"-51",width 8.66" Double-adjustment velcro adjustment for sizing accuracy,it can fit your waist well 4 reinforced acrylic bones encased in heavy canvas,Breathable fabic is more comfortable to wear when you are at home or doing sport Target and tone your midsection to burn stomach fat faster with the best quality, waist trainer belt that feels great and really makes your sweat away toxins and maximise calorie burn It is better wear it when in the gym or workout. It will be a little thick wear under the dress or tight clothes