Have a milestone to celebrate? We have put together some big ones for you in this set. It includes 4 stencil sheets - 3 have 4 numbers each and one has an open square to block off the number you are working with. Helpful especially if using the Stencil Genie. Each number measures approximately 1.75". Overall stencil size approximately 5.5" x 5.5". PINK sections in image are the open sections. Stencils are 5mil Food Grade plastic, washable and reusable.