Shells in 2 sizes. Design sizes are 1.5" and 2.5 Use the smaller size on it's own, or layer with our monogram stencils. It is sized to fit perfectly in the monogram circle. The small size also works great on covered Oreos or macarons! Overall size approximately 5.5" x 5.5". PINK sections in image are the open sections. Stencils are 5mil Food Grade plastic, washable and reusable.