About: http://webisa.webdatacommons.org/411478385

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 insert is made of lightweight material such as rubber or Styrofoam??? or other plastic material or comprises an air-filled rubber bladder made of material such as plastic or rubber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com