About: http://webisa.webdatacommons.org/129176846

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	t is formed of a suitable material such as silicone or polyisoprene and is provided in multiple sizes for comfort and fit on different users.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com