NON-STICK COATING: The cooking sheet pan features a non-stick coated layer surface that ensures quick, effortless food release and eliminates the need for butter, oil, or cooking spray. Makes tasty homemade baked goods slide out easily OVEN SAFE UP TO 446°F: The commercial grade restaurant quality bakeware is made w/ engineered carbon steel metal alloy w/ attractive, goldish metallic coating. Oven safe up to 446°F(230°C) and prevents warping after repeated use to last a lifetime! RIMMED BORDER: These cookie sheets nonstick baking sheet set features fully rimmed border that prevents parchment paper from sliding out and juices/sauces from spilling while providing ample airflow and heat distribution for even baking/cooking DISHWASHER SAFE: Use this stackable wide oven trays non stick pans for baking pastry dessert, food prep/serving without the hassle of cleaning. Just rinse under water or run through the dishwasher. Handwash recommended to extend pan life 2 PIECE SET: Includes 1 large baking sheet that measures 15.7" x 11.0" x 1.3" and 1 medium size baking sheet which measures 13.4" x 9.6" x 1.3" so you can make bulk batches of oven-baked cookies. Safe for kitchen ovens, convection ovens, toaster oven