1. You can slim with exercise and a good diet.And our product help you do better - to have a nice shape! 2. Flattens abs instantly without exercise,does not lose its elasticity while wearing.It hides bulges,bumps and rolls making your body appear slim. 3. Low-neck design fits all style of the clothes,fits seamlessly beneath T-shirts,button-downs and other kinds of suits.Extra firm,yet very comfortable to wear underneath any kind of clothing. 4. Reduce your belly size and enhanced pressure on the belly,supports weary backs and helps improve postur. Premium compress and slimming quality which ensure you stay dry and comfortable all day when doing exercise. Material: 80% Nylon + 20% Spandex Measurements Information (inch): Size: S(chest 30-32); Size: M(chest 34-36); Size: L(chest 38-40); Size: XL(chest 42-44); Size: XXL(chest 46-48); How to wear it: Step into it and pull it up, and take off the same way. Our Body Shaper Vest: Have function of shape body.On the inside are powerful layers of Nylon & Spandex tightly knitted together flattening your chest and stomach.Ergonomic slimming and tight X-Shape back designed to shape the body.