Aluminized Steel Rectangular Cake Pan, 18" X 12" X 3" * Heavyweight (0.6 Mm/24 Gauge) to distribute heat evenly * Reinforced rim, folded body construction, PTFE/PFOA free * Quantum 2 Non-Stick Coating (double coat) * Withstands temperatures up to 500˚f / 260˚c, Dishwasher safe