Forget latex and rubber. RockBand Flex is your all-in-one rehabilitation, stretch and mobility solution. Available in 3 resistances, RockBand Flex unlocks a universe of movement improvement and is designed to be washable, portable, and infinitely reusable. Made from a proprietary cotton-nylon blend, with 6-inch loops spaced equally on each half of the band, Flex allows you to use one tool to rehabilitate injuries, improve mobility and increase strength.