I have tried them but have not been consistent with them. I didn't notice any real difference, but other people I know who have done them consistently say they work.
I worked with a girl who lost 6 inches from the wraps and someone else told me they lost 10 pounds from doing one almost every day for a month.
"Take a breath and let the rest come easy..." All Time Low
"Get up, get out, make this be for something. Or else it's all just nothing." The Rocket Summer