Sasa Demarle FP 01031 Flexipan 1.52-Ounce Muffin Pan with 40 Molds Made of FDA approved food grade silicone; NSF and Kosher certified Freezer, oven and microwave safe from -40F to 536F May be used 2000 to 3000 times before the first signs of sticking 18-inch x 26-inch pan; Each mold has 2-inch diameter x 1-1/8-inch depth Nonstick pan makes for easy removal of muffins