About: http://webisa.webdatacommons.org/138609758

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	These preferably include materials that do not easily degrade or cause irritation, including medically approved grades of silicone or plastic such as polyethylene and polyvinyl chloride.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca