Stackable design: Thanks to the stackable and space - saving design, these containers can make more efficient use of every inch of your kitchen pantry cabinets. Airtight Containers: The airtight storage system will always keep your food dry and fresh. All having the same lids makes it easy to wash, dry and reuse them with ease. High - quality plastic: The pantry storage containers are made of durable food - grade plastic and are BPA - free. Transparent design: The clear containers make it convenient to see what s inside. Thus, you can easily know what you want without opening every container.