Combining the airtight seal of POP Containers and the accessibility of countertop-friendly canisters, the OXO Good Grips 3 Piece POP Canister Set gives new shape to kitchen storage. Each round Canister has a unique pop-up button mechanism that creates an airtight seal with just one touch. The button also serves as a handle to easily remove the lid with one hand.  The trio of graduated sizes (1.9, 3 and 4.5 quarts) allows you to attractively display a variety of dried foods on your counter, while ensuring your items stay fresh and easy to access with just the push of a button. The Canisters nest neatly inside each other for convenient storage and are BPA free.