It's invisible when applied and won't show on copies. This is an ideal tape for permanent paper mending. It can be written on with pen pencil or marker it pulls off the roll smoothly. Cuts easily and is very reliable. Photo safe. Includes 12 rolls of tape and a fun design dispenser. Each roll of tape is 3/4in x 1 000in with a 1in core. Photo safe. Tape Dispenser Type: Desktop; For Tape Width: Up to 3/4in; For Tape Length: Up to 1 500in; Core Size: 1in.