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Plastic food storage containers are durable, lightweight, and often transparent vessels designed to keep food fresh and organized. Typically made from BPA-free, food-grade materials like polypropylene, these containers are designed to be airtight, leak-proof, and stackable for efficient, space-saving storage in refrigerators, freezers, or pantries. 

Key Characteristics and Features:

Airtight & Leak-Proof: Many feature locking mechanisms or secure, hinged lids to create an airtight seal that prevents spills and extends freshness.

Material: Usually constructed from, high-quality, durable, BPA-free plastic, which is safe for food contact, resilient to, and resistant to stains and odors.

Functionality: They are commonly microwave-safe (for reheating), freezer-safe (for meal prep), and dishwasher-safe.

Design & Variety: Available in numerous shapes (square, round, rectangular) and sizes to accommodate diverse items, from leftovers and soups to grains and dry goods.

Visibility & Organization: Transparent bodies allow for easy identification of contents, and they are designed to stack, maximizing storage space. 

Common Uses:

Refrigerator/Freezer: Storing leftovers, meal prep, fruits, vegetables, and liquids.

Pantry: Organizing dry goods like flour, sugar, nuts, and grains.

Portability: Using smaller containers for, snacks, and, packed lunches. 

Common types include standard rectangular storage, sets with multiple sizes, containers with pour lids for pantry staples, and those with removable drain baskets for washing produce.