1. Versatile stackable design increases capacity for multiple uses: stores buns, dumplings, noodles, and bread, maximizing freezer or pantry space efficiently. 2. Non-stick bottom with wave pattern and cooling medium: prevents sticking and helps keep contents fresh, while stable stacking reduces tipping and makes storage convenient. 3. Tight and seamless buckle connection: securely and odor-neutral fastened, so stacked boxes stay in place and do not fall, enhancing daily storage convenience. 4. Multi-layer free stacking: allows more freezer space through stable stacking, keeping dumplings, buns, and other foods organized and easily accessible. Use scenarios - Freezer organization for batch preparation: stack and store different items such as buns, dumplings, noodles, and bread to maximize space and maintain freshness. - Meal prep and portioning: prepare and freeze meals in portions within the stacked boxes, keeping items organized and easy to retrieve. - Transport and catering: use stacked boxes for secure transport to markets, bakeries, or events while maintaining freshness and minimizing spills.