I HAD ONE OF THESE WHEN I WAS YOUNGER. THEY ARE GREAT TO EXERCISE WEARING THIS TO REMIND YOU TO HOLD IN YOUR STOMACH FIRMMING THE MUSCLES. THEY ALSO WILL SWEAT OFF WATER GAIN THAT COLLECTS AROUND YOUR WAISTE. MAKES YOU FEEL LIKE YOU HAVE DONE TWICE THE EXERCISES AND IN THE LONG RUN WILL HELP YOU KEEP THE STOMACH TRIM. I DO RECOMMEND THIS PRODUCT AND WELL DONE TO THE SELLER!