I got my backing today in the post. I had been looking for a black sheet locally, but only managed to find a fitted one, which wouldn't have been big enough. So I ended up ordering from Thousands of bolts - they have several in their wide backing section. I chose the cheapest, which they say is tone on tone, but it is more of a mottled effect. It is a little bit stiff, but I think some of that stiffness will wash out. ($8.95 a yard and they have 4 yards left in stock, so there is enough for someone else).