OXO SoftWorks POP Container Set, 9 Piece, Push Button. Give your kitchen a makeover w/ this stackable, modular set, perfect for keeping kitchen staples neat & close at hand. Each container features a push-button airtight seal that will keep your food fresh, with a durable clear body that shows you just how much is left, & a button that acts like a handle for the lid. (1) 2.3qt/2.2L; (2) 3.7qt/3.5L, 2.6 qt/2.4L, 1.7qt/1.5L, 1.1 qt/1.0L. Airtight seal. Dishwasher safe. BPA free. Fast Shipping.