Creating an airtight seal to keep food fresh is just a POP away! This stackable, space-saving, BPA-free container features a stainless steel lid with a large, easy-to-press button that locks out air, keeping flour, sugar, coffee, cereal, pasta and more fresher longer. Just give the button another press to open and the button itself becomes a convenient handle—how smart! The clear container lets you see contents inside, and a handy fill line shows you how much room is available. A rounded