Sellotape

Scotch tape was a commercial brand of adhesive tape. Harry Potter's spectacles were often held together with large amounts of Scotch tape due to the number of times that Dudley Dursley had punched him on the nose.

Etymology
Although Scotch Tape is a commercial brand, the term is often used generically to refer to certain types of adhesive tape.

Appearances

 * Harry Potter and the Philosopher's Stone