Lunch Box Backpack The lunch box consists of rice with pickled plums, and side dishes of fried chicken, rolled omelet, grilled salmon, spinach with sesame dressing, and burdock root kinpira. This is a traditional Japanese bento menu. Backpack Size Height 40 x Width 25 x Depth 17 cm. Materials used are sweat, satin, nylon, and vinyl. The outer lunch box part, which is prone to rain, is made of vinyl, so it might be surprisingly practical. The shipping estimate is set to the maximum, but we try to ship as soon as possible after receiving your order. Stains, tears, etc... none