Scotch® Cool Colors Magic™ Tape. 3M. 3/4 in x 650 in (18 yd). 19 mm x 16.5 m. Scotch® Magic™ tape is the original matte finish, invisible tape. It's the preferred tape for offices, home offices and schools. Write on it with pen, pencil or marker. Great ideas that stick. Scotch, Magic and the Plaid Design are trademarks of 3M. http://www.3m.com/office. ©3M 2003.