This durable USA Pan Muffin Pan 12 cup is designed to professional standards for the home baker. The structure and commercial grade aluminized steel in USA muffin or cup cake pans distributes heat quickly and evenly. This bakeware is also highly durable and resists warping and denting. You won't hear that dreaded ping when you put these USA made cupcake pans in the oven! Removing baked goods from professional quality USA pans is a snap because of their silicone finish. This non-stick surface also makes for easy clean up! Best of all, USA pans really are made in the USA, in Pennsylvania, of 65% recycled steel.