About: http://webisa.webdatacommons.org/258564910

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	plastic such as polystyrene or a copolymer thereof and the cuts of the cut pattern extend only partially through the material, use of a sealant or foil covering on one or both faces of the material may not be necessary.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com