PRODUCT DESCRIPTION Swanson Detectable Underground Warning Tape is perfect for accurately locating and preventing damage to underground utilities when digging. This tape is made from laminated aluminum for a durable 5-mil-thick design that s easy to detect with a nonferrous locator. This tape features the ultimate resilience withstanding temperatures ranging from -60 F to 250 F. The treatment on the tape prevents damage to its color and text ensuring that your message remains bold over time even when exposed to alkalis acids and other harsh chemicals. When properly placed this tape helps workers avoid accidental damage to electrical lines gas lines communication cables and other buried utilities. Swanson Detectable Underground Warning Tape makes sure your message stays visible and keeps workers safe for years to come. FROM THE MANUFACTURER Swanson Detectable Underground Warning Tape is used for accurately locating and preventing damage to valuable underground utility installations. It has an aluminum backing to make underground assets easy to find using a non- ferrous locator. Properly installed this tape helps avoid catastrophically inaccurate digging when locating utilities such as electrical lines gas pipes and communication cables.