<http://schema.org/description>
"The BNR50AV is a dual-layer Blu-ray Disc&amp;amp;trade; recordable which holds up to 50 Gigabytes of data."^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.pacetech.com/sony-blu-ray-dual-layer-disc-bd-r-dl-x-1-50-gb-by-sony-bnr50av.html>