1 CD label CD overlay: 2 CD label, CD strip, CD tag, EM strip, EM tag,CD overlay 3 one strip CD label CD overlay: K-0031Allows circulating CD & single ... sided DVD. 1) Compatible with all EM systems, such as 3M, Dialoc, Certus, Checkpoint, Kejing.2) Cobalt-based strip ... /demagnetizing.3) Excellent performance. The materials of the strip all pass the authorization of SGS Testing Group, and ...