POP Container, 4qt / 3,8L, BPA free. Ideal size for a 5lb bag of flour or sugar. Get an airtight seal with the press of a button. Containers are stackable for optimal countertop and pantry organization. Great for use in garage, sewing room, playroom and more. Container corners allow for easy pouring. Pop-up button serves as handle to lift off lid. Hand washing recommended.