This package of clear photopolymer stamps are from the Monster Mash Collection designed by Becky Moore for Photo Play Paper. These stamps adhere to acrylic blocks and can be used with your favorite inks, markers, and embossing powders (sold separately). These stamps can be used to make cards, scrapbook pages, tags, journal pages, and other paper crafting projects. The largest stamp measures 2.5" x 3.13" and the smallest measures 0.25" x 0.5". This stamp set has a matching die set (sold separately). This stamp set is made in the USA.