Alu-gaufer bread trays 450 x 144 2 baguettes. Special embossed Silver alloy plate that improves the appearance of the crust. Designed for cooking in a deck oven and use in controlled proofing rooms and negative cold rooms. Resists attacks from heat, cold, high humidity, fermentation, yeast and salt. Excellent heat conductor and absorber. No treatment necessary, other than regular light lubrication.