Verbatim M-Disc is the new standard in digital storage designed to preserve and protect your files by engraving your information into a patented rock-like layer, resistant to light, temperature and humidity. Industry standard ISO/IEC 10995 tests showed the expected mean lifetime to be 1,332 years, with just 5% of discs showing signs of data loss after 667 years. Therefore the projected lifetime is expected to be several hundreds of years. This means whether you are saving precious photographs, music libraries, medical documents, and more, you will have the reassurance of knowing it is on a disc designed to last a lifetime.