<http://schema.org/about>
"When we were reviewing a few of the more sustainable sofas out there, some our resourceful readers pointed out that natural sofa slipcovers can be put to good use. By placing these cotton covers on a sofa, and you can protect your furniture or give older"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.treehugger.com/interior-design/sofa-slipcovers-can-be-useful.html>