This tape cartridge with Black Watch backcoating will provide you around-the-clock protection - from the manufacturer with over 25 years of experience in the tape cartridge business - Imation. Black Watch backcoating 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.