Product as decription, the material made of good polimer that dont easily broken. Provided with the chart that needed to find the level of the body far, Afforable price for everybody who concern with their body fat and their health.
Not really a big deal but this particular piece doesn't slide smoothly when squeezed. I polished it a bit with a piece of sand paper, and it slides smoothly, now. As I said, not really a big deal.