J.V. Converting MAG-01/BLK075333 JVCC MAG-01 Magnetic Tape with Adhesive, 0 to 150 Degree F, 33 mil Thick, 10' Length x 3/4" Width, Black The tape is supplied self-wound on a semi-bleached kraft paper liner The magnet is comprised of a multipole one face flexible magnet As such it would not be able to hold up heavier weight items like heavy-weight fabric The tape is not attracted to itself (it repels) since it would need a magnet of the opposite polarity to attract