It is a jersey top, white on black at the top and black on white at the bottom. It was all spangly and new when I wore it last week, but now it needs washing. It says 40' on the label. I have got normal Bold washing liquid, hand-washing stuff, and stuff for delicate fabrics, and stuff for dark colours, I seem to remember seeing a new product to keep bright colours bright but I haven't got any - I will go and get some if I need to though! Would appreciate your vast experience on this one please, ans in the back of my mind I seem to remember a similar question fairly recently, sorry if there has been one!