Nestabilities are concentric, nesting, core shape dies sets that can be mixed and matched to create gorgeous layered looks for any project you can imagine.  Great for cards, tags, scrapbook pages, photo matting and embellishing, and all sorts of other crafts.  Package contains 5 dies ranging in size from .25x.50 inch up to 3.5x4 inches, scaling down as the die templates decrease in size by .5-inch.