✔️ WHY CHOOSE ALUMINUM FOR BAKING - Our 0.8mm thick aluminum sheet provides superior heat conduction, extra longevity and durability, on top of the corrosion and rust-resistant property of aluminum, and NEVER rusts. The cooling and baking wire rack for baking sheet is 100% stainless steel. ✔️100% RECYCLED ALUMINUM FOR SUSTAINABILITY - PTFE,PFAS,PFOA Free. Our baking sheet is made from 100% recycled aluminum, no chemical added, making it an environmentally conscious choice. By utilizing sustainable materials, you can enjoy your baking while reducing your carbon footprint and supporting eco-friendly practices. ✔️ MULTIFUNCTION VERSATILE BAKING PAN WITH RACK - Elevate your baking and cooking experience with our premium stainless steel cooling rack, designed to cool your culinary creations and to excel in the oven, making it a versatile must-have in any kitchen. Crafted from high-quality stainless steel, this rack is durable, easy to clean, and dishwasher-safe. ✔️TRUSTED BRAND SINCE 1972 - Baker's Secret has been America's favorite baking brand since 1972. With a strong reputation for quality and innovation, our products are designed to exceed your baking expectations. Join millions of satisfied customers around the world who trust Baker's Secret for all their baking needs. ✔️This set contains 4pcs - 2pcs 17.9"x12.9" Aluminum Half sheet and 2pcs 16.7"x11.8" Stainless steel Cooling Baking Rack Grid. No chemicals added. Safe for baking at 450℉. Baker's Secret team is available for inquiry 24/7. Baker's Secret Set of 2 Baking Trays for Oven, 100% Recycled Aluminum, Bakeware Set Cookie Sheet 18" with Cooling Rack Never Rust - The Natural Aluminum Collection