Expandable sliding rails with staggered grooves adapt to different freezer depths, enabling smooth operation and efficient use of space. Ventilated mesh panels improve airflow around contents, helping to preserve seafood and perishables more effectively. Vertical stacking design streamlines freezers, refrigerators, or cabinets by stacking bins to keep bottom layer items accessible and organized. Built with a reinforced carbon steel frame and anti slip grooves, these rust resistant bins offer ergonomic handles and modular dividers for separating raw and cooked foods. Use scenarios Home kitchens needing organized storage for bulk meats, seafood, and frozen vegetables, with easy access to items at the bottom of the stack. Restaurants or cafes that store bulk meats or seafood, benefit from space efficiency, quick retrieval, and separation of raw and cooked items. Grocery stores or delis requiring orderly cold storage for commercial food supplies, enabling clear inventory and faster service.