About: http://webisa.webdatacommons.org/116582036

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 central porous compressible substrate is open cell foam fabricated from polyurethane, or latex rubber or other suitable polymeric materials.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es