This Simon Says Stamp dies are made in the USA of 100% durable steel and 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 was designed to coordinate with Square Shaker Trio Pouches from My Favorite Things. Overall die dimension is approximately 4.25 x 1.25 inches. Each window is approximately 1.25 x 1.25 inches.