Roshco Silicone 12-Count Muffin Pan with Sled, Blue 12-count muffin pan made of FDA-approved food-grade silicone Nonstick surface releases muffins easily; safe for refrigerator, freezer, and microwave Oversized rim and included wire sled makes transporting to and from oven simple Safe to wash in a dishwasher; oven safe up to 500 degrees F Measures approximately 11 by 14 inches