Airtight Design: OXO Good Grips POP Containers feature an airtight, space-efficient design that keeps dry foods fresh and your cupboards organized. Stackable Sizes: New shapes and sizes stack perfectly with all POP Containers and can be customized to fit any space. Convenient Fill Line: A handy fill line makes it easy to store staples like cereal, flour, sugar, pasta, rice, coffee, nuts, and snacks. Accessory Compatible: This container has an A lid Type and is compatible with labels, date dial, leveler, coffee scoop, dusting scoop, and half cup scoop. Accessories are sold separately. Easy Operation: Push the button to engage the airtight seal. The button doubles as a handle for the lid. Always use the button to open and close for best results. BPA Free: Made from BPA-free materials, ensuring safe storage for your food items. Dishwasher Safe: Top-rack dishwasher safe for easy cleaning and maintenance.