Ultimate All-natural Shape Sculpting Sports Waist Cincher - Waistline Trimmer, Body Sculpting, Posture Correcting Athletic Corset for Workouts and Everyday Use latex core with a soft cotton interior lining to control and slim the waistline and abdomen Please refer to size chart to ensure you choose the correct size Lining Material: Cotton 91%, Spandex 9% A full 3 rows of front hook-and-eye closures - Don't settle for lower end imitations with only 2 rows of closures! Perfect for workout, sports and training activities: works by boosting your metabolism before, during and after your workout.