Premium Stainless Steel Construction: Crafted from thickened food-grade 304 stainless steel, these containers resist corrosion and temperature extremes for daily fridge use. Ideal for cold storage of bacon, cheese, and deli meats while preserving hygiene. Note: Not microwave-safe due to metal material. Airtight Leakproof Freshness Seal: Features precision-engineered lids that block oxidation and spoilage by preventing air exchange. The 100% leakproof barrier contains liquids effectively, keeping refrigerator interiors clean and food fresher for extended periods. Versatile Multi-Scene Application: Effortlessly transitions from fridge organization to stylish displays at picnics/BBQs. Perfectly stores salads, fruits, pasta, asparagus, celery, cold meats, and deli snacks. Ideal for home kitchens, outdoor gatherings, or travel. Space-Saving Portable Design: Lightweight square trays maximize fridge space efficiency while remaining portable for on-the-go meals. Compact stacking design enables easy transport during commutes, travels, or outdoor adventures without compromising capacity. High-Capacity Multifunctional Storage: Square-shaped containers offer ample room for fish, barbecue items, and ingredient organization. Preserves, stores, and displays diverse foods like lean meats, cheeses, and snacks while extending freshness duration.