Plasmon's magneto optical (MO) media is manufactured in accordance with all ISO standards applicable and is tested and certified to work in MO drives typically found in the market. Accelerated environmental testing projects a lifetime for Plasmon MO disks in excess of 35 years. Plasmon's magneto optical media combines high-storage capacities with fast random access and an erasable capability. The media also offers optimum functional reliability, data integrity, robustness, durability and hardware compatibility. Plasmon badged media contains the phrase "Jukebox Certified" which implies that this media meets Plasmon's targets for media and cartridge life expectancies, particularly in an automated operating environment. The 5.25 inch MO media is impervious to the contaminants of the outside world, making it virtually indestructible. It is encased in a durable enclosure that protects it from dirt and scratches, eliminating the need for cleaning.