The high-impact "bento backpack" is available for pre-order at Village Vanguard Online. The price is 5,940 yen (tax included). The product will be shipped in late September.
This is a product in which three pouches of "Legend side dishes of the lunch box world" are put in a transparent vinyl backpack. "White rice and pickled plums," "fried chicken and omelet," and "grilled salmon and spinach and kinpira" are designed respectively.
The contents "side dishes" and "rice" can be removed. It seems that it can be used as a pouch as a single item.
The size is 40 cm in length x 25 cm in width x 17 cm in depth.