- SET OF 4: This versatile food storage container set includes four glass containers in varying sizes: 12.5 oz (370 ml), 21 oz (630 ml), 34 oz (1000 ml), and 63 oz (1630 ml). Ideal for kitchen organization, meal prep, packing lunches, and storing leftovers. - AIRTIGHT DESIGN: Each glass container comes with an airtight lid featuring a silicone sealing ring. This effectively prevents air and dust from compromising food freshness, while the leak-proof design ensures that liquids stay contained. - FOOD-SAFE MATERIALS: Crafted from lead-free borosilicate glass, our containers are safe for food storage. The lids are made from BPA-free PP plastic, offering a reliable and safe solution for cooking and storing meals, from baked dishes to meats and poultry. - FREEZER AND MICROWAVE SAFE: These glass meal prep containers can handle extreme temperatures, from -104℉ to 968℉ (-40℃ to 520℃). They are safe for both freezer and microwave use, although lids should be removed when microwaving. - USE SCENARIOS: Perfect for meal prepping on Sundays, these containers keep your weekly lunches organized. Use them to store leftovers after family dinners, or pack healthy snacks for work or school. Their stackable design saves space in your pantry and refrigerator.