Sweat Band Waist Trainer for Women: 2 mm single-layer neoprene fabric compression garment, helps you eliminate toxins, speed-up the calorie burning process, sweat 3 times more than usual; with 9 Steel boned designed to shape your tummy,maximize your curves to achieve hourglass figure, effectivily helps straighten and support your back, correct posture, flatten your abdomen Underbust corset waist trainer,can easily wrap your tummy,provides adjustable firm compression,gives you the hourglass curves,perform excellent in burning fat,perfect tummy control waist cincher.