New Star Foodservice 42597 Aluminum Sheet Bun Pan Extender, 9 x 13 inch (Quarter Size) QUALITY - Extra durable aluminum channel construction with stainless steel reinforcing corners VERSATILE - Use with existing sheet pan to increase depth for cakes, brownies or cobblers. MULTIPLE SIZES - Available in 9x13, 13x18 and 18x26. EASY CLEAN UP - Hand wash only to maintain its finish. SIZE - Measures approximately 9 x 13 inch