There are always times when you need a USB extension cable and I've only had one that I always had to "borrow from Peter to pay Pavel". I'm glad I finally settled on a whole pack of these, but apparently I've run out of them again! They seem solid enough and they all worked with no issues. I use one to power my heated vest so I don't have to carry a battery. I wrote in the vest review that I expect the cable coming out of the vest to come loose before this extension breaks, so it's decent quality.