MACAROON SILICON MAT with 44 Marks, non-stick 15.75" x 12" Simple to use and efficient marks ideal for calibrating macaron shells and other pastries large diameter for filling area small diameter for positioning the nozzle at the center Use for cold and hot: withstands extreme temperatures (from -104 Degree to +446 Degree) Do not store folded do not heat alone on a tray Dry before storing flat Dishwasher safe