This amazing feat of thermodynamics happens thanks to Lava RocksTM. Made of organic, plant-based material, and designed so that they cannot leak - even if punctured, this material is designed to absorb heat right from your microwave. Once the interior of the Lava LunchTM begins to cool, the Lava RocksTM release their stored energy. This is how Lava LunchTM keeps your food hot for so long.
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