Combining the airtight seal of POP Containers and the accessibility of countertop-friendly canisters, the OXO Good Grips POP Canisters 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 round Canister shape 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 4 Quart Canister is ideal for storing boxed cereal, a 5 lb bag of flour or sugar and more, and is BPA free.