Clear Parseal Packaging Tape. This carton Sealing Packaging Tape is a high quality Polypropylene tape. It is specifically manufactured to satisfy the volume user including mail order companies and packaging factories, where the demand for a fast reliable seal, is only surpassed by the need for economy. As there are no known health risks with polypropylene, these tapes are also ideal for use within the food industry. Due to the tape being tightly wound on the roll it helps to keep release noise to a minimum.