Traditional bento box designs in Japan often reflect the country's rich cultural heritage and aesthetic principles. Here are some traditional bento box designs commonly found in Japan:

1. Wood and Lacquer Bento Boxes: Traditional bento boxes were typically made of wood and coated with lacquer to provide durability and a glossy finish. These boxes often featured simple yet elegant designs, with lacquer work showcasing intricate patterns or natural motifs.

2. Multi-Tiered Stacking Boxes: One of the most iconic traditional bento box designs is the multi-tiered stacking boxes known as "jubako" or "jūbako." These boxes consist of several stacked compartments, allowing for the organized presentation of various dishes. Jubako is often used for special occasions and celebrations.

3. Bamboo Bento Boxes: Bamboo is a natural material commonly used for making traditional bento boxes. Bamboo boxes exude a rustic charm and are lightweight, making them ideal for picnics or outdoor gatherings.

4. Makunouchi Bento: The makunouchi bento is a classic style bento box that dates back to the Edo period. It typically consists of a two-tiered box with rice in the bottom compartment and an assortment of side dishes, such as grilled fish, pickled vegetables, and tamagoyaki (Japanese rolled omelet), in the upper compartment.

5. Kazaribento: Kazaribento, meaning "decorative bento," is a style of bento box where the food is arranged to resemble characters, animals, or landscapes. It is often made for special occasions or to delight children.

6. Edo Bento: Edo bento is a style of bento box that originated in Tokyo during the Edo period. It typically includes an assortment of colorful and visually appealing dishes, emphasizing aesthetic presentation.

7. Wappa Bento Boxes: Wappa bento boxes are made from bentwood, giving them a unique appearance and natural fragrance. They are commonly used for packing traditional Japanese dishes like sushi and sashimi.

8. Hakozen Bento Boxes: Hakozen bento boxes are square-shaped boxes with a removable inner tray, allowing for easy separation of different foods. They are commonly used for everyday meals and are often made of plastic or metal.

9. Eki-Ben: Eki-ben refers to bento boxes sold at train stations, offering regional specialties from different parts of Japan. These bento boxes are known for their delicious and diverse contents, making train journeys a culinary experience.

10. Shokado Bento: Shokado bento is an elaborate and formal bento box often used in traditional Japanese kaiseki cuisine. It features an artistic arrangement of seasonal ingredients in separate compartments.

These traditional bento box designs not only serve as functional containers for food but also embody the Japanese culture of aesthetics, mindfulness, and appreciation for nature's beauty.