the only cloth that i have found that is OEM and an EXACT match to the VR head is from tubesandmore.com. the stuff from mojo isn't OEM and is darker and has dark horizontal stripes running thru it. i guess you get what you pay for.
here's a pic of my VR with a retolexed and regrilled 810E:
and here's a pic of the stuff from mojo:
