Oxo new Fliplock canisters combine the sturdy features of Oxo storage containers with borosilicate glass. This three piece set includes 0.5qt, 1.6qt and 2.5qt round canisters. The tops have an easy lock mechanism that flips up to open. The large container will hold a pound of coffee. The middle size holds a 1 pound box of brown sugar. These clear canisters stack for efficient storage and have a see through top. BPA free plastic.