Ideal for snacks, dry ingredients, or even leftovers, this set of four 41-ounce rectangular containers is perfect for getting the fridge and cupboards organized or for bringing extra ingredients or side dishes to picnics or barbeques. Lock & Lock's patented 4-hinge locking system has been durability tested to last up to 3 million uses, and the enhanced silicone seal is 100% airtight to keep foods fresh longer and 100% leak-proof to prevent messy drips and sloppy spills.bpa-free construction provides a healthy, versatile, and convenient storage solution for the refrigerator, freezer, pantry, or anywhere your foods need to stay fresh and organized. Plus, the containers are dishwasher safe for quick and easy cleanup.