Exterior dimensions: 13" x 9.5" x 1" / 33cm x 24cm x 2.5cm. Interior dimensions: 11.5" x 8" x 1" / 29cm x 20cm x 2.5cm Bake cookies, pastries, biscuits and rolls, pizza, tater tots and fries or use to heat up a hot sandwich. Full sides all around keeps food contained and allows you to make jelly rolls, fudge and candy. Even surface for baking and reheating. Heavy-duty, commercial-grade construction provides fast, even heating. Made of heavy gauge aluminum.