This package of two sheets of Phrase Thickers is part of the Rainbow Avenue Collection designed by Celes Gonzalo for American Crafts. There are 50 foam stickers in this package. These stickers include rainbows, butterflies, hearts, banners, sentiments, a camera, a stack of coffee cups, flowers, a letter, and more. These foam stickers can be added to cards, scrapbook pages, tags, journals, planners, and other paper crafting projects. These stickers are acid free.