SiliconeZone Pink Heart Muffin Pan Made with Pure FDA Approved Silicone the bakeware is manufactured and engineered to commercial and professional standards Oven, microwave and freezer safe it can go from &#8211;58 F up to 675 F The high gloss, non-stick finish insures a smooth, non-porous surface enhancing the non-stick properties without adding any additional coatings however, we always recommend following the recipe's directions for greasing or flowering Cooks and browns evenly; cools down quickly; easy to clean and dishwasher safe Can be folded for easy storage and the flexibility makes removing baked goods easy