About: http://webisa.webdatacommons.org/408505054

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	Suitable envelope materials include elastic materials such as latex and others that can be readily selected by one of skill in the art.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca