<http://schema.org/description>
"You may not think about life jackets until you find yourself overboard and far from shore. How do life jackets keep people afloat, and why does it take only a few pounds of buoyancy to do it?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://adventure.howstuffworks.com/outdoor-activities/water-sports/life-jacket5.htm>