These dies are compatible with leading die cutting machines (sold separately). These dies are designed to cut through paper, cardstock, and other thin materials. These dies can be used to make cards, scrapbook pages, tags, journals, planners, and other paper crafting projects. 
The set has a handy storage envelope to keep your dies organized. For easy identification, simply trim off the package’s front flap and slip it into the envelope. Includes 41 wafer-thin dies. Designs are approximately 2.5 x 4.625 to 0.125 x 0.125 inches.