This big set of large, medium, and small food storage containers with lids provides endless storage options and a lightweight design makes it easy to move containers on higher pantry shelves and cabinets. Lock & Lock's 4-hinge locking system has been durability tested to last up to 3 million uses, and the enhanced silicone seals are 100% airtight to keep foods fresh longer and 100% leak-proof to prevent messy drips and sloppy spills. Bpa-free construction provides a healthy and versatile storage solution for the pantry, cupboard, refrigerator, freezer or anywhere your foods need to stay fresh. Plus, Easy Essentials containers are microwave safe for convenient reheating and dishwasher safe for easy cleanup.