This package of Alphabet Thickers is part of the Sun Chaser Collection designed by Heidi Swapp for American Crafts. This package contains two packages of stickers with iridescent foil accents. There are upper case letters of the alphabet, numbers 0 through 9, and some punctuation marks for a total of 133 pieces. These stickers can be added to cards, scrapbook pages, tags, journals and planners, and other paper crafting and mixed media projects. These stickers are acid free.