<http://schema.org/description>
"Knee Rx HD kneeler pad 4 pack, 12' x 22', 1' thickness, made of closed cell nitrile rubber / vinyl blend, heavy duty rubber bottom surface for long lasting wear in rough environments, built in easy to carry handle."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.cleanfreak.com/safety/matting/sup-951s4122bl.html>