About: http://webisa.webdatacommons.org/397371226

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	The cover 28 in one embodiment is a flexible film of polymeric material such as polypropylene, polyethylene, polyester, or other polymers.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com