About This 【Premium Borosilicate Glass】 Made from high-quality borosilicate glass, these containers withstand extreme temperatures from -4°F to 950°F, perfect for freezing, baking, and microwaving. 【Snap-On Tempered Glass Lids】 The durable, tempered glass lids ensure even heating, prevent odors, and are microwave-safe for hassle-free meals. 【Airtight & Leak-Proof】 Featuring a snap-on design with an air valve, these glass food storage containers with lids keep food fresh and prevent spills.Easy to hand wash and dishwasher safe.Note: The drying temperature for lids is below 176°F. 【Versatile Sizes & Shapes】 Includes 12 pieces in rectangular, square, and round shapes (12.5oz to 50.7oz), ideal for meal prep, leftovers, and pantry storage. 【Elegant Gift-Ready Packaging】 Beautifully boxed, these containers make a practical and stylish gift for weddings, housewarmings, or any occasion. Overview Brand : BOROHOUSE Color : Gray Material : Borosilicate Glass Material Feature : Oven-safe glass container with tempered glass lid Capacity : 6.4 Cups