This waist clincher trimmer belt will slim your waist, and flatten your stomach. It can be worn under your clothes, and while you work, run errands, or exercise. It works by retaining your body heat, and elevates your perspiration, and helps you sweat fat away. It also shapes, tones, and gives you beautiful posture. You can wear it for long periods of time. It really works; you will see results in weeks, just takes dedication and everyday, and comfortable material, no boning.