<http://schema.org/description>
"The object of your affection will be the only one to see your romantic messages with this Secret Love Letters Writing Set. Simply use one of the two UV pens with invisible ink to write your note, then let your sweetie shine the \"blacklight\" on the pen cap to reveal your sweet sentiments."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.worldmarket.com/product/secret-love-letters-writing-set.do?page=11&from=fn>