Packing Tape / Packaging Tape are pressure sensitive tape used in a wide variety of applications, commonly used for sealing boxes and packages for shipments. The most common widths are two to three inches wide and made from a polypropylene or polyester backing. Packing tape is used to seal, wrap, or bundle items during storage, handling, or shipment. There are various types of packing tapes available. And, they differ in material, strength, thickness, width, and so on.