Image Diva Unisex Sauna Heat Slimming Waist Trainer Fitness Belt Body Shaper Weight Loss Sports Sweat Belt CorsetThis waist slimming sweat belt will help warm up your midsection during workouts, and or other activity. It cinches your waist per your preference for tightness, based on how firmly you adjust its hold. This provides back support for increased comfort, strength, and promotes sweating and slimming fat burning on the belly and the back. Material : Neoprene Exterior color: Black Interior color: Bright yellow.