For airtight food storage, try the Oxo Good Grips POP Container. Available in a variety of sizes, each POP container's lid features a push-button mechanism that creates an airtight seal when pushed. The button can also be used as a handle when taking off the lid. The square and rectangular shapes of the Oxo POP containers are designed for modular stacking, making them an efficient, space-saving way to store your food neatly in your cabinet or on your counter. The corners of the containers allow for easy pouring, and the lid comes completely apart for easy cleaning. The containers can also be used as a storage solution in the garage, at the office, on the workbench, and hundreds of other places.POP Container measurements: 0.9 quart, 4.25" x 4.25" x 7.5";Containers sold individually.