[Features]● Stacking and nesting are possible by rotating 180° when stacking and changing the color direction. ●Excellent storage efficiency when nesting, enabling reduction of empty box space. ●Alternating colors allow stacking with items inside, and matching colors allow nesting to save space. ●Can be stacked (stacked) in different colors and shapes, and nested (stored) in the opposite direction. A type that pursues nesting efficiency and saves space during storage.