Power BandsUser warning Powerbands are made of layered latex latex sensitive people must not expose their skin to our latex Powerbands. Made from the highest quality latex available, these bands are ultra flexable. Seem free layered latex ensures a linear delivery of tension when stretched and superior strength with no weak points. The Long Powerband is possibly the most versatile piece of fitness e. quipment of modern times, and Latex Loop technology has made