These bands are dope! You can vary the resistance by rotating the three different resistance levels. They work well with kettlebell combos too and I'm starting to see more muscle definition and a little lift to my butt which is...
Every girl in my office now owns this set of bands. Why? Because I let them use them just for a minute in my office, and their butt muscles were so sore the next day, they could not believe it...
other bands tend to slide up a bit, but these stay in place pretty well, and it helps if you wear them over fabric (as opposed to bare skin).
I bought this to replace my current band that is fading. for the cost and quality this is a great product!
my teenager son uses this powerbands and I noticed he gets great fun using them.