Double-sided tape is coated with permanent adhesive on both sides of the tape making it the perfect no-mess alternative to glue for light-duty attaching and mounting tasks. The tape pulls off the roll smoothly and cuts easily without the hassle of a liner. Long-aging tape won t dry out or yellow. It is photo-safe (determined in accordance with ISO Standard 18916). Scotch Permanent Double Sided Tape 1/2 x 900 Clear 2 / Pack (Quantity)