Measures 19.5 inches/49.5cm by 15.5 inches/39cm * Measures dough or crusts fro 6 to 15 inches/15 to 38cm * Flexible, nonstick silicone offers instant, easy release without the use of grease; Oven safe to 450F/235C * Doubles as a baking sheet liner for even heat distribution and prevention of browning. * Dishwasher safe