Wearing this belt can support your back to maintain correct posture to relieve lower back pain and protect your spine. This belt can keep warm and help burn fat faster during workouts. Wearing it can help you get an hourglass figure and lose weight. Spandex and its waistband is soft and elastic. You have a choice between four sizes, M, L, XL. XXL.XXXL It is suitable for women weight loss, exercise, gym, fitness, exercise, running, yoga, sports, boxing and hiking.