<http://webisa.webdatacommons.org/276942801>	<http://www.w3.org/ns/prov#value>	"They are most frequently made of latex, and can also be made out of synthetic materials including polyurethane." .
<http://webisa.webdatacommons.org/prov/426648387>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/276942801> .
<http://webisa.webdatacommons.org/276942801>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/276942801>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<streetknowledge.nyc> .