Waterproof polyethylene film with a polyester/cotton blend cloth carrier. Industrial strength easy tear tape with natural rubber high tack adhesive is 2" x 60 yards, 9mil strength. Will not twist or curl during application. Bonds where other tapes won't, including to recycled fibers, dust, hot and cold surfaces, and heavy loads. Can be used for general purpose HVAC use, packaging, sealing duct work, and for adhering cable to carpet or floors.