The OXO Good Grips POP Cereal Dispensers are airtight and space-efficient, making it easy to keep your cereal, granola and snacks fresh and your kitchen organized. The Cereal Dispensers have a unique pop-open lid for one-handed opening and closing that creates an airtight seal with just one touch. The lid is easy to remove for cleaning or refilling, and the lids are interchangeable between sizes. Silicone gasket is dishwasher safe. Hand wash all other parts.