About: http://webisa.webdatacommons.org/134937394

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 flexibility and a certain shock absorption in the rear portion are obtained by making it out of materials such as cork, sawdust or latex.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com