· HIGH QUALITY: Made from lightweight and durable BPA-Free plastic, these containers are an indispensable addition to your storage and organizing needs. The containers and lids stack to save space, so you can put them away neatly until needed.NON-TOXIC LIDS: These Snapware containers feature airtight, leak-proof lids with 4 locking tabs that are BPA-free. They're also top-rack dishwasher, freezer and microwave safe. Save food for tomorrow or warm today's lunch with less worries.NON-TOXIC LIDS: These Snapware containers feature airtight, leak-proof lids with 4 locking tabs that are BPA-free. They're also top-rack dishwasher, freezer and microwave safe. Save food for tomorrow or warm today's lunch with less worries.