Airtight, stackable and space-efficient, these modular stacking units come in square and rectangular shapes and have a unique push-button mechanism that creates an airtight seal with one pop. (The 4-quart size holds a 5-pound bag of flour or sugar.) The pop-up button serves as a handle to lift the lid, which also comes apart for thorough cleaning.
OXO Good Grips POP Food Storage Containers, 11 sizes, 0.3-quart to 5.5-quart, $6.99 to $16.99. At Foster's Urban Homeware (399 Market Street), Kitchen Kapers, or online at www.oxo.com. - Marilynn Marter