Made with 7.0 mil bleached flatback paper tape and coated on both sides with high shear resistant natural rubber and resin adhesive, it bonds well to nearly any material. Intertape 591 Double Sided Flatback Paper Tape is a premium 7.0 mil bleached flatback paper tape coated on both sides with a high shear resistant natural rubber/resin adhesive that bonds equally as well to almost any surface.