Transparent fiberglass-reinforced tape for heavy-duty strapping and packaging where strength matters. Natural rubber adhesive gives a very aggressive bond. 333 lbs. per inch tensile (bursting) strength. Polyester film backing is moisture- abrasion- and curl-resistant. Tape Type: Packaging; Adhesive Material: Natural Rubber; Size: 2in x 60 yds; Core Size: 3in.