User blog comment:ChukleBrotherz/Heading to RTX and questions for the RWBY Panel/@comment-25396609-20150806192228/@comment-24891101-20150806193452

They look like they have a mag strip on them. So, are they like rechargeable gift cards? Stored value cards? There doesn't seem to be a way to tell at a glance how much is on one, though that might be just a detail thing. There are certainly ways to do it.