I needed strings for my Acoustic bass and didn't have a lot to spend. As you know bass strings are for some reason way more expensive than regular guitar strings. Anyway, it was a great choice, I have used these strings for a couple months now and they are still holding some brightness. I will buy more.
Pros- low cost, sounds great, holds brightness, can use several months without needing to change.
At this moment I can't think of any cons.