Perfect for snacks, dry ingredients, sauces, leftovers and more, these containers are ideal for getting the refrigerator and cupboards organized or for bringing extra ingredients or side dishes to parties and picnics. LocknLock'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% leakproof 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, Easy Essentials containers are microwave safe for fast and convenient heating and dishwasher safe for quick and easy cleanup.