Recommendation: This is everyday waist trainer ,designed to be worn comfortably for longer stretches. High stretch ,antibacterial and breathable material made it comfortable and soft and some times you even forget have it on . Some people wear it directly against their skin but we suggest wear it on the top of a tank shirt and do all ab exercise,it will helps a lot We suggest use it in the daytime and 6-8 hours everyday ,take it off half an hour before dinner and put it on half an hour after dinner. Attention :For the first several times you wear one, dont pull it as tight as it will go but only as firm as it can stay on comfortably without sliding around If you want to get the result below ,try our waist cincher : Burns belly & back fat Eliminates bulges and muffin tops Immediately improve your posture Flat seams remain hidden under clothes Increases thermal activity and perspiration in your midsection Help you drop several inches from your waist when you wear them Boosting your confidence and helping you stay motivated on your slim-down journey Material: 90% Polyester, 10% Elastane. Specifications: 1. Breathable high quality steel bones waist trainer cincher. 2. Made of comfortable and personal skin-friendly material. 3. 3 hook-and-eye closures in the front make sure that this waist cincher could fit your figure at the most extent. 4. High compression, firm enough to hold in the tummy tissue. Flexible and stretchy for comfort of movement. 5. This waist trainer helps you burn your axunge, improve your posture and enhance your curves, which provides you unparallel midsection control. 6.Waist Corsets are designed to be extremely versatile. Perfect for waist training, using in the gym, daily wear or other formal occasions. Size Chart(Unit:cm/in) Size:S Fit Natural Waist:62-68cm/24.41-26.77" Size:M Fit Natural Waist:68-74cm/26.77-29.13" Size:L Fit Natural Waist:74-80cm/29.13-31.50" Size:XL Fit Natural Waist:80-86cm/31.50-33.86" Size2XL Fit Natural Waist:86-92cm/33.86-38.58" Size:3XL Fit Natural Waist:92-98cm/36.22-38.58" Package Included: 1 * Shapewea