3M-Scotch Double Sided Tape. This permanent double-sided tape is coated with photo-safe permanent adhesive on both sides. This tape is definitely a no-mess alternative to glue for light-duty attaching and mounting tasks. This package contains three disposable dispensers containing 1/2in x 250in rolls. Photo-safe determined in accordance with ISO standard 18916. Contents conform to ASTM D4236. Made in USA.