American Atelier 6294-CAN Arabesque Canister Set, Blue, 4 Piece Canister material: ceramic. Lid: wood with a rubber seal. Canister heights: 3, 4.75, 6.5, and 8 inches Canister diameters: 4.25 inches Many other styles available Canisters are dishwasher safe. Lids are hand wash only.