I bought this cable to connect one of my pedals to my Fuel Tank power supply over a longer distance. I came across this particular flat cable when searching on Thomann. The cable works fine, there is no additional noise coming from it and it is quite durable and sturdy for the flat cable it is.
Another good thing about this cable, is that the ends are angled and flat as well. This means that there is hardly any space lost around the pedal/powersupply. So far, I haven't experienced any cons, which is good. It was this little thing that completed my perfect pedalboard.