Eliminate lost utilities after paving! Eliminate painting, measuring, metal detectors, guessing and other costly mistakes. Use on any paving job where you need to easily locate any utility cover under freshly paved asphalt. Can also be used to identify striping or airport runway lighting. Developed from a new recyclable elastomer and adheres to any surface and pops up after being paved over with up to 5 in. of asphalt.