Scotch 665 Permanent Double Sided Tape, 1/2 x 1296", 3" Core. 3m Scotch 665 1/2 x 1296" Double Sided Office Tape is coated with permanent adhesive on both sides. No liner to deal with. Long-aging. Won't dry out or yellow. A no-mess alternative to glue for light duty attaching and mounting tasks. Comes on a handy dispenser for quick and portable use. Photo safe and made in USA. 3" core. Packed 72 rolls per case.