Not exactly 12 inches in diameter. If the package it was shipped in was just over 11 inches wide, that means the product is smaller than what would fit in the package. This isn't rocket science. Bought this to warm up large tortillas that obviously don't fit. I cut the tortillas to 10" but they barely fit into 3 pieces and need to be folded or cut to fit a 9" hole. It'll probably work for small or regular sized flatbreads, but don't describe it as 12 inches if it doesn't. At least state that it's designed to reheat tortillas up to 9 inches in size. I took photos of actual measurements.
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