Fully transparent design, using super-thin Cobalt based EM strips
Allows circulating CD & single sided DVD
Protects the CD surface from scratches or damage
Super-thin strips will not affect CD readin
Can be turned "off" and "on" again repeatedly, retaining original effectiveness
Strips never lose their effectiveness after repeated desensitizing and resensitizing
Desensitize and resensitize with the same accessories as your books
Archival quality adhesive will not affect library materials