The Calphalon Signature Nonstick Bakeware 2-Piece Muffin Set is designed for durability and premium performance. Crafted with a ceramic nonstick surface, this muffin pan beautifully releases tasty cupcakes and muffins. PFOA and PTFE-free, this pan features a scratch-resistant surface for easy maintenance. To clean up, simply place it in the dishwasher, however, handwashing is recommended for best results. Full lifetime warranty.