Yes its a godsend and I get the embarrassed for them bit, tho in my paranoia (and very slightly because I like to humiliate them sometimes) I spend a minute inspecting the bedroll for tale tell signs of the brown stuff, then sigh and say "tut-tut, what d,ya call this then?"
Here;s a link to amazon:
http://www. amazon.co.uk/Massage-Couch-Bed-Roll-Recycled/dp/B00EA0WD6K/ref=sr_1_1?s=beauty&ie=UTF8&qid=1404231927&sr=1-1&keywords=paper+bed+roll
[Link made non-clickable; please don't post these here]