Each letter has a strip of repositionable adhesive that makes them easy to place. This helps when organizing and lining up the letters on a bulletin board, presentation board or on any type of project. To make the letters more permanent just glue, tack, staple or tape the letters in place. Letters measure 2.5". 216 Characters in assorted dazzle colors (red, gold, blue, green, pink, purple). Bonus lettering guide included.