TrueCraftware Aluminium Commercial Baker's Sheet pan, 18 Gauge, 13" x 18" Half Size 1 - Half Size Natural Aluminium Baking/Bun Sheet/Pan Baked goods rise and bake evenly due to aluminium's superior heat conductivity Durable and sturdy, the aluminium pan won't warp when baking at high temperatures. The pan is ideal for baking rolls, cookies, brownies, buns or any type of baking use. Measures 13" x 18" - 18 Gauge