Non-Detectable Underground Warning Tape prevents damage to underground utility lines during excavation. Following code parameters, bury this tape above electrical lines, gas pipes, communication cables and other utility installations. Resistant to underground elements, this heavy metal-free, co-extruded polyethylene tape serves as a highly visible proximity device that will not turn black over time. We have a large inventory of stock legends from which to choose. You can search our extensive legend library or have a custom legend produced for your specific needs.