Calphalon Nonstick Bakeware, Mini Pie Pan, 5-inch (Set of 4) Heavy-gauge steel core won't warp and heats evenly without hot spots so your cookies and cakes come out of the oven perfectly and evenly browned. The interior of each piece has interlocking non-stick layers that are designed to deliver long-lasting, high-performance release. Releases up to 2X better than Calphalon Classic Bakeware. Nonstick finish is beautiful and practical. Adorable and delicious, these individual-serving pans can make sweet dessert pies or savory meat pies. Dishwasher-safe and protected by Calphalon's full lifetime warranty.