Weight loss: made of neoprene and polyester, which increases 3 times sweat than usual. Wear the waist trainer for 30 minutes with basic exercises, which corresponds to 120 minutes of walking / 90 minutes jogging / 60 minutes swimming. Waist sweat: withdurable sticky belts provide high compression, your entire waist, stomach and back will be completely covered and shaped. You can easily achieve an hourglass figure. Built-in bars provide preventative and therapeutic support to avoid injury to your waist and back and slipping. Exquisite design: Easy to put on and take off with ultra soft front zip. Velcro straps on each belt are easily adjustable and ensure a tailored fit, even if your waist gets slimmer after exercise. The comfortable material allows you to wear it at different times. This slimming belt can be worn at work, at home and even while sleeping. With the fat burning effect of crazy sweating, this waist trimmer is your first choice for wearing for sports, cycling, weightlifting and all kinds of sports. Sweat belt is also suitable for postpartum recovery and for those who want to improve waist and back pain. Care instructions: hand wash and air dry are recommended for the long-lasting effect of this waist shaper. Size: (L*W） S: 72 * 26 cm M: 76 * 26 cm L: 80 * 26 cm XL: 84 * 26 cm 2XL: 88 * 26 cm 3XL: 92 * 26 cm 4XL: 96 * 26 cm