Ozera 12-Cup Silicone Muffin Pan (Set of 2) for $9.99.  Shipping is free on orders over $35.  If needed, use this Filler Tool to pad the order for free shipping. Here is a screenshot for reference. The muffin pan is made from 100% food grade silicone, BPA-free, microwave, freezer and dishwasher safe and heat resistant to 450°F.