Snapware® Airtight Plastic Food Container is 100% airtight and leak-proof. Its easy open-and-close four latch lid keeps food fresh. And its stackable design is convenient and space-saving. 24-pc Airtight Food Storage Value Pack includes 4 each: 0.5-cup (4-oz) bowls; three each: 2-cup rectangles; two each: 1.3-cup squares; one each: 4.7-cup rectangle, 23-cup fliptop. All have matching lids. Snap lock lid with silicone seal opens and shuts easily Remove and wash gasket before use to optimize seal Microwave, dishwasher and freezer safe BPA free polypropylene container and lid Made in the USA Lifetime warranty