This Presco Stripe Patterned Roll Flagging Tape is a NON-ADHESIVE, non-embossed tape used for surveying, trail marking and other industrial applications like construction, forestry, hardware, oil exploration, nursery, mining, and geophysics. Highly visible for maximum distinctiveness, Presco Stripe Patterned Roll Flagging Tape is the most durable, longest-lasting outdoor flagging tape available in the marketplace. Easy identification and easy to use - just tie and untie. Rolls labeled as Day/Night are formulated with an exclusive nighttime visibility silver ink combined with their economical roll flagging tape provides a cost-effective and disposable solution to your nighttime needs. In the dark, when a beam of light is directed at the stripes, light bounces back towards the source for enhanced nighttime visibility.