The 4-Pc. Strapped Mini Loaf Pan set unique feature is its corrugated design. Corrugation maximizes the pan's strength and prevents warping, denting and other effects of everyday use. Plus, it also minimizes surface contact which translates into evenly baked products that are easily released. No need for messy and unhealthy oil and grease. It is not recommended to exceed a baking temperature of 450 degrees F. Features: 4-Pc. Strapped Mini Loaf Pans Made of heavy gauge aluminized steel Coated with Americoat, a proprietary and environmentally friendly silicone, on top and bottom Non-stick surface Corrugation provides even baking and extra strength To clean, simply wipe clean or use soap and water Not recommended to be washed in dishwasher Each Measures 5.5 x 3 x 2.25 inches Made in the USA!!