M-Disc DVD R 4.7GB 4x

Verbatim M-Disc is the new standard in digital storage designed to preserve and protect your files by engraving your information into a recording layer, resistant to light, temperature, and humidity. Use M-Disc for best protection of data.
Projected lifetime of several hundred years based on ISO/IEC 10995 tests by Millenniata.
This means whether you’re saving precious photographs, music libraries, medical documents, and more, you’ll have the reassurance of knowing it’s on a disc designed to last a lifetime.