About: http://webisa.webdatacommons.org/55052296

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 substrate 21 is preferably flexible and of inexpensive material such as paper, woven fibers, or a polymer film such as Mylar, polyethylene, or the like.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com