About: http://webisa.webdatacommons.org/12407235

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	In one embodiment, the inner core 202 is a solid material, such as silicone, but in other embodiments the core 202 may be hollow.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com