A heavy-duty packaging job is going to need a high-quality, effective tape--and this one will surely not disappoint. The transparent tape utilizes a fiberglass-reinforced design in order to perform heavy-duty strapping and packaging. Plus, with the natural rubber adhesive, you get a very aggressive and effective bond. The tape offers 333 lbs. per inch tensile (bursting) strength. In addition to its heavy-duty qualities, the tape features a moisture-, abrasion- and curl-resistant polyester film backing. Uses a 3" core and Meets US postal regulations.