The waist trainer belt, akin to a girdle, tightly shapes the midsection to aid weight loss by retaining body heat and reducing water loss during workouts. It offers immediate abdominal compression and lumbar support with its comfortable, lightweight, stretchy fabric and adjustable hook and loop strap. This purple and black slim waist trainer belt, measuring approximately 40 inches long and 8 inches wide, is ideal for various activities such as jogging, running, cross-training, hiking, biking, gym workouts, and horse riding. Dimensions: Approx. 7.75" x 40.5" x 0.25" (Outer Material: 88% Nylon and 12% Spandex Inner Material: 100% Rubber)