Add whimsical beauty to your nature-filled projects using the Butterfly Die and Clear Acrylic Stamp Set by Hero Arts. This set is made in the USA from the best photopolymer that is nontoxic and phthalate-free. Included in the package are seven clear acrylic stamps with three matching dies. The clear acrylic stamps are easy to use, clean, and store. The metal dies are designed for use with your favorite die cutting machine (sold separately) and are lead free and nontoxic. The pieces measure approximately .5″ x .25″ to 2.5″ x 1.75″.