Reinforced carbon steel frame with anti-slip grooves and rust‑resistant containers. Ergonomic handles and modular separators enable clear separation of raw versus cooked foods for safer, more organized storage. Supports vertical stacking of bins to maximize space in freezers, refrigerators or cabinets. Improves organization and makes items on lower levels easier to access and reach, reducing rummaging and handling time. Expandable slide rails with stepped grooves provide smooth, adjustable fit for different freezer depths. Ventilation mesh panels enhance airflow to help preserve seafood and other perishables effectively. Maximizes freezer capacity with an adjustable, stackable container. Saves up to 25% more space and keeps bulk frozen foods neatly organized and secure. Use scenarios: - Home meal prep: separate raw proteins from cooked portions; keep ingredients orderly and easy to locate. - Seafood and perishables storage: maintain freshness with better airflow and accessible lower-level items. - Small kitchen or cafe bulk storage: optimize limited freezer space for seasonal or bulk frozen foods.