The OXO POP storage container is made from BPA-free plastic and will keep dried goods fresh with the pop of a button that makes for an airtight seal. POP containers feature an easy-to-open lid with accessory attachment underneath (accessories sold separately), perfect for storing scoops and levelers. The containers are stackable for optimal space saving storage. Each POP container has rounded corners to provide easy, mess-free pouring. Use the POP containers to store a wide variety of dried goods including flour, cereal, coffee, oats, rice, beans, sugar, spices and herbs. Sizing 2.6L Short: 6.5" x 6.5" x 6.3" 4.2L Medium: 6.5" x 6.5" x 9.5" 5.7L Tall: 6.5" x 6.5" x 12.6" Features Sold individually Made of BPA-free plastic Airtight seal with the press of a button Rounded corners for easy pouring Accessory attachment under lid (accessories not included) Containers are dishwasher safe, hand wash lids separately