Simon Says Stamp dies are made of 100% durable steel and usable in nearly every machine on the market. Use wafer dies on cardstock, felt, fabric, even shrink plastic! You can use wafer thin dies to cut, stencil, emboss and create! This die measures approximately 2.5 x 2.5 inches and is also sized perfectly to cut out our small embossing folder impressions like sf272, sf275 or sf273.