Increase storage capacity for multiple purposes The stackable design enables versatile packaging for buns, dumplings, noodles, and bread, maximizing storage space efficiently. Non-stick bottom with wave texture and cooling element The non-stick, wave-patterned bottom with a cooling component prevents food from sticking and helps maintain freshness, while the stable stack design prevents tipping for convenient storage. Tight and seamless buckle connection Secure and odor-neutral fastening keeps stacked boxes in place and prevents them from falling, making daily storage safer and easier. Multilayer free stacking Stable stacking increases freezer capacity, saves space, and keeps dumplings, buns, and other foods organized and easy to access. Use scenarios - Freezer organization and space saving: Stack multiple boxes to store dumplings, buns, noodles, and bread in a compact, orderly arrangement for quick retrieval. - Meal prep and fresh storage: Use for batch-prepped meals or frozen portions in the fridge or freezer, with the bottom help preventing sticking and preserving freshness. - Daily kitchen transport and workflow: Move stacked boxes to a market, pantry, or prep area; the secure buckles keep contents in place and odor-neutral fastening supports convenient handling.