This tape cartridge with Black Watch back coating will provide you around-the-clock protection - from the manufacturer with over 25 years of experience in the tape cartridge business - Imation. Black Watch back coating minimizes the damaging effects of compression to the tape's recording surface, dissipates harmful static build up, reduces tape slippage to ensure a uniform signal output, protects your data against the effects of wound-in debris, and it improves tape winding and stacking. This tape has a gray case and measures 1200 feet, storing up to 10 GB of native data. It will preserve your data for over 20 years and withstand up to 500, 000 passes.