Showa Retro Picnic Case Pico Seal Set GP Made in Japan A storage container fits inside the sandwich case, making it compact. Polypropylene Heat resistance: 120 degrees Celsius Flat measurements (approximate, as measurements are taken by hand): Large: 12 x 23.1 x 7 cm Medium: 10.5 x 14 x 5 cm Small: 7.7 x 9.5 x 4.5 cm Stored in the cupboard at my parents' house for a long time. The box has scratches. Washed before listing. Please check the images and understand before purchasing. Please refrain from purchasing if you are concerned about minor details. If you purchase multiple items and they fit within a 60cm package size, the shipping cost of the cheaper item will be discounted.