Keeps your dry foods fresh and your home organised with OXO Good Grips Pop Container Big Square (2.4 QT / 2.3L) is stackable and space-efficient. The sleek and modern design POP Containers are designed for modular use that optimize and organise in any number of height combinations to fit your counter-top and pantry. The push-button mechanism creates an airtight seal with just one touch that helps to keep food fresher for longer time. Silicone made from heat resistant for long lasting usage. Corners are shaped for easy pouring. Lids are design to come apart for easy cleaning. This product is made for BPA-free plastic.