Airtight Storage: OXO Soft Works 6-Piece POP Container Bulk Set is airtight, keeping your dry foods fresh and your pantry organized. Space-Efficient Design: Stackable and space-efficient, these containers help maximize your storage space. Dishwasher Safe: Now completely dishwasher safe, making cleaning a breeze. Included Containers: Set includes three 4.4 Qt containers, ideal for storing 5 lb bags of flour, sugar, and other bulk staples. Handy Scoops: Comes with three handy cup scoops that attach neatly to the underside of the container lids. Easy Operation: Push the button to engage the airtight seal; the button also doubles as a handle for the lid. Convenient Fill Line: Features a fill line to make storage simple and efficient. BPA-Free: Made from sturdy, BPA-free materials for safe food storage.