Memory Box dies are made in the USA of durable 100% steel and usable in nearly every machine on the market! Use on cardstock, felt, fabric or shrink plastic. Cut, stencil, emboss and create! between 1 x 3 inches assembled between 2.5 x 7.6 centimeters assembled 9 dies included detabbed and mounted on a magnetic sheet. use of fusible interfacing paper is suggested for felt projects.