I was wondering about this, too, as I am having a C-section for the first time on my third delivery. I will look into those, thanks!
i purchased an abdominal binder off of amazon. i read review after review before i bought it. i heard bad things about the belly bandit; plus it was very expensive. i bought mine for 12 bucks and DH says my stomach looks exactly the same. i also have my abs back again but that is because i didn't have a c section and was able to work out. i highly suggest an abdominal binder. i swear by it. my friends that didn't use one did not have stomachs that went back.
I had a csection and I wore the belly bandit, it did make my stomach shrink back postpardum it is pretty much back to where it was, but it's still soft I don't have tightness I had before... only thing to get that fixed is crunches. My baby is 11 weeks old and I still don't feel comfortable doing ab work.
Try the belly bandit! I had a friend who loved hers.