The Picket Fence Studios Layering Flora: Happy Fern Dies is a 4 x 6-inch wafer-thin die set that contains 1 piece. The die itself measures approximately 4.69 x 2.81 inches, and it is compatible with most die-cutting machines. This set includes two different-sized fronds with tendrils, allowing you to create layered and textured fern designs for your crafting projects.