This Crystalz Collection of Embellishments is from Buttons Galore and More. These embellishments are flat back gems with an Aurora Borealis iridescent finish. These crystals come in three sizes that range from 3mm to 6mm. Each package of Crystalz includes one tablespoon of product. These crystals can be added to cards, scrapbook pages, tags, journals and planners, and other paper crafting, home decor, and mixed media projects.