Verbatim rewritable blank bluray discs (region Free) printable version. Verbatim"s Hard CoatTM technology is similar to the surface coating technology used on touch panels and scratch-resistant eye glass lenses. MABL (Metal ABlative Layer) is Verbatim"s patented recording layer technology developed specifically for Blu-ray media. MABL uses very stable inorganic metal nitrides rather than an organic dye. This results in a very stable disc that is ideal for long term storage or archival.