100% spandexhook and loop closurePlease note that the women's waist trainer size is not the usual clothing size.U-shaped upgraded women's sauna vest, easy to put on and take off. Wearing a women's sauna vest will restrain the waist during exercise and accelerate the movement. It makes every workout count for you, reaching workout results in just 10 minutes instead of the previous 30.Two adjustable waist belts give you the freedom to adjust for tightness, different compression levels and your desired body shape. Give your abs extra strong support as you squat.You will receive: a black XXXL waist trainer