Bests & Worsts Reviews from Amazon

The bands increase in thickness but are all the same diameter rendering the difference in resistance incredibly minute. If you don't have massive legs, you'll have trouble keeping them around you. If you aren't an absolute beginner - and possibly even then - the hardest band will not even be difficult enough. I am not a fit person, I started working out for the first time ever lightly about a month before purchasing these and think they are garbage. Don't make my mistake.