SPECIFICATIONS Brand Name: XMSJ High-Concerned Chemical: None Origin: US (Origin) About This Item: 12 Airtight Food Storage Containers with Lids:Includes: 4 Rectangle Containers: 35oz (8x6in), 21oz (6.75x5in), 12oz (two 4.2x5.5in) 4 Square Containers: 27oz (6in), 17.5oz (5.2in), 11oz (two 4.3in) 4 Round Containers: 32oz (6.75in), 21oz (5.9in), 13.5oz (two 5.2in) Height ranges from 1.75-2.3 inches All-Temp Food Containers:Made from durable borosilicate glass, these containers are: Dishwasher Safe Oven Safe up to 1040°F Microwave Safe (*except lids) Freezer Safe down to -104°F Airtight & Leakproof Design:Featuring a silicone seal and secure hinge clips, these containers keep food fresh by preventing air and odors from getting in or out. Perfect for soups and liquids, they're completely leakproof for mess-free storage and transport.