@WendyDLN 
It's a Athletic-Works Resistance Band Extra-Heavy Natural-Latex 40inx1-77in
@lucifargundam I can see why it can't fit in your pocket. I have a similar one that I use all of the time. This was the only way I could think to wear it as a belt comfortably... However, it may or may not work for you.
@lucifargundam not sure... That would make it handy if you could just keep it in you and use it as you have time. Which style of band is it?