Scotch® double sided tape is coated with photo-safe, permanent adhesive on both sides. A no-mess alternative to glue for light duty attaching and mounting tasks. Scotch® double sided tape is coated with photo-safe, permanent adhesive on both sides A no-mess alternative to glue for light-duty attaching and mounting tasks No backing strip to remove - easy to use and no unnecessary waste Fuss free solution to taping on both sides Core Size (Metric): 25.4 mm Dispenser: Yes Number of Adhesive Sides: Double-sided Photo Safe: Yes Tape Width/Length: 1/2 in. x 250 in.