BOPP Carton Sealing Tapes It is light weight, high resistance, non-stretchable and economic Carton Sealing Tapes The OPP packing tape is made from BOPP (biaxial oriented polypropylene) film coated with acrylic adhesive. It is widly used for automatic carton packing machines thoughout various industries. Color : clear , brown, yellow, bule, red , white, green, black (printed tape:1--3 color)ect.