This will work great for extending the waist strap.
I found the description vs expectation vs reality to be less than useable for MY personal needs.
From the description I guess I was expecting 12" of additional strap length, un-stretched...
It will stretch that far but I was hoping to be able to use it for making my Dual pocket pro (which fits without the extender) into a crossbody... Might work at such time as I take another 100 pounds off but not now.