The back of the sleeve is plain blue with distribution information, etc. Both the front and back of the sleeve, as well as the CD, lists this version of Rubberband Girl as a 'Radio Mix'. Basically, this is just a nice way of saying it's an edited down version. When Kate gets to the line in the song where she says, 'Here I go...', the track fades out very quickly at that point - so about the last minute of the song is cut off.
I think this promo is one of the more difficult ones to come by these days as there weren't a lot of them made,