This set of 4 nesting thin metal dies is part of the Infinity Dies collection from Hero Arts. These dies will give you 4 different layers for looking up into a star filled night. This set will look amazing when paired with the other stamps and dies from Hero Arts (sold separately) to fill the window from the dies with forest scenes or whimsical fairies. These dies are compatible with leading die cutting machines (sold separately). The largest die measures 4" x 5.25" and the smallest measures 2" x 3".