MEITK Nontoxic Silicone Microwave Popcorn Popper - No Oil Needed - Fast Microwave Popcorn Bucket Maker Made of heat resistant food grade silicone, prevents burning in microwave. Fast and Easy to use Microwave Popcorn The popcorn popper can not be used in other machines besides microwave and oven BPA free food grade silicone material,nontoxic and safe .Nontoxic soft and eslatic material,do not be out of shape. NOTE:The container is HOT when you removing it from the microwave, you had better to use a drying mat to hold it.