The cups on this popover pan are designed so that as popovers bake, rise, and 'pop over' just like in the bakery-they won't spread into the others in the pan. Deep tapered cups promote even baking and better air circulation. Construction: Single layer Surface: Non-stick Materials: Aluminum Care instructions: Dishwasher-safe, hand wash recommended Finish: Brushed Dimensions: 2.25 inches high x 9.5 inches wide x 16 inches long Oven safe to: 400-degrees Fahrenheit Heavy-duty construction Non-stick easy release coating The pan is also great for making muffins and cornbread Set Includes One (1) popover pan