About: http://webisa.webdatacommons.org/252860358

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	It is made of a flexible but slightly rigid material, such as plastic, polyethylene, polyurethane, vinyl, or polyvinyl, of about 1 millimeter in thickness.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com