Provided is a package for microwave heating that can prevent leakage of contents and improve transportation suitability. The packaging body 1 includes a storage part 8 surrounded by peripheral edge seal parts 2 a, 2 b where seal layers 3 b provided on the laminated films 3, 4, 5 are adhered to each other, and wing parts 11 projected from the front upper part of the storage part 8 to extend in a lateral direction and sealed by wing seal parts 2 c where the seal layers 3 b are adhered to each other. The peripheral edge seal parts 2 a, 2 b are arranged opposite to each other in the right and left direction across the storage part 8, and have a pair of wide width parts 200 protruding from the inner peripheral edge to the storage part 8 side at the upper part of the storage part 8....

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