Sue Wilson Necessities Collection12 high quality steel diesLargest die size: 12.5 x 5.0 cm (4.92 x 1.97 inches), smallest die: 1.4 x 1.6 cm (0.55 x 0.63 inches)These dies work with most tabletop die cutting machines, such as the Cuttlebug, Big Shot, Grand Calibur, eBosser, etc