Self-adhesive Letters offer a versatile solution for setting up your bulletin board, presentation or any other project. Each letter has a strip of adhesive that makes them easy to place. This helps when organizing and lining up the letters. To make the paper letters more permanent, just glue, tack, staple or tape the letters in place.Self-adhesive Letters offer a versatile solution for setting up your bulletin board, presentation or any other project. Each letter has a strip of adhesive that makes them easy to place. This helps when organizing and lining up the letters. To make the paper letters more permanent, just glue, tack, staple or tape the letters in place.