These dies are made of 100% high quality steel, are compatible with most die-cutting machines, and will inspire you to create cute crafts! This package contains Reveal Wheel Circle Sentiments: a set of five metal dies measuring between .375x.25 inches and 1x1 inches. WARNING: Choking Hazard. Not suitable for children under 3 years. WARNING: May contain items with sharp edges. Handle with care. Made in USA.