<http://schema.org/contactType>
"customer service"^^<http://www.w3.org/2001/XMLSchema#string>
<http://store.ergobaby.com/baby-carrier?color[]=Camel&color[]=Petunia%20Pickle%20Bottom%20-%20Frolicking%20in%20Fez&material[]=Organic%20Cotton%20Canvas>