JOERSH 2pcs Round Silicone Muffin Top Pan, 6 Holes Food Grade 4" Jumbo Size Round Egg Baking Pan for Hamburger Bun, Muffin Top, Pies, Shortcakes. - Our muffin top pans are made of 100% pure silicone, flexible and non-stick, sturdy and stable, easy to clean up, not easy to deform or tear up.