We have updated the size chart in the images, please refer our size chart to choose size instead of Amazon's size chart. Size runs small, please choose 1 size up High compression and reduce your waist line by more than 3 inches if you insist to wear it. It helps to boost thermo activity, put it on when you workout, it will have a better effect 9 Steel Bones support, double sew on breasted, more stable and durable, which will give you a desired hourglass figure Material:Core:100% Latex,Lining:96% Cotton+4% Spandex. Flatten abdomen, Speedup fat burning, Reduce inches instantly Perfect for everyday wear, make you slim and beautiful, slimming fabric make it seamless, and can be wear under clothes whenever go to a party, work or a gym, suitable for any occasions