Sur La Table Platinum Professional Half Sheet Pans 21320ST, 17.25" x 12.25", Set of 2 our commercial-quality jellyroll pans meet the highest standards for performance and durability Each piece in this set is constructed with the same features found in the best pans in the industry Thick aluminized steel offers superior heat transfer, corrosion and rust resistance, and excellent durability Each pans thickness is based on years of performance data to deliver perfectly even heat distribution and a lifetime of use Steel wire is added to pan rims for extra strength and resistance to warping Each piece in this set is constructed with the same features found in the best pans in the industry Thick aluminized steel offers superior heat transfer, corrosion and rust resistance, and excellent durability Each pans thickness is based on years of performance data to deliver perfectly even heat distribution and a lifetime of use Steel wire is added to pan rims for extra strength and resistance to warping Nonstick silicone coating is specifically formulated for baking and contains no PTFEs or PFOAs Textured surface allows airflow under baking food for beautifully even overall results and easy release every time The most advanced coating available, no other surface releases food and cleans up more easily Unique fluted design with corrugated construction maximizes strength and impact resistance, and resists warping and denting that can occur with use Use only silicone, nylon, or wooden tools. Donot cut in the pan or use sharp metal utensils Dimensions: 17.25&#034; x 12.25&#034; x 1&#034; Material: Aluminum with silicone coating Manufactured with 65% recycled steel Set of 2 pans included Oven safe to 450 degrees F Made in the USA Handwash with warm water and mild detergent using a sponge or nylon pad Rinse and pat dry thoroughly