Thunder Group ALSP1826 19 Gauge Sheet Pan, Full Size 18" x 26" Constructed out of durable aluminum THE FULL SIZE SHEET PAN IS DESIGNED FOR USE IN LARGE COMMERICAL SIZE OVENS ONLY. PLEASE MEASURE SIZE OF HOME OVEN TO VERIFY THE PAN WILL FIT 26" WIDTH BEFORE PURCHASE. Sheet pans are stackable for easy storage NSF approved Wire-reinforced rim