Declutter your pantry – The OXO Good Grips POP Containers makes it easy to keep counters organized and dry foods freshPatented push-button, airtight seal preserves food – Push the button to engage the airtight seal that helps keep food fresh. The button doubles as a handle for the lid. For best results, always use the button to open and close. Know that the airtight seal is engaged even if you can open them, (like your refrigerator.) Do not carry POP Containers by the lid.Stay in stock - OXO Good Grips 7-Piece POP Container Set is airtight, stackable, space-efficient and now dishwasher safe, making it easy to keep your dry foods fresh and your pantry organizedA solution for every storage need – Each POP size is perfectly calibrated to store common household staples including cereal, flour, sugar, pasta, rice, coffee, nuts, snacks and more. Also great for bathroom or craft storage.Convenient use and care – POP Containers are BPA free and dishwasher safe