This canister set is sold as a set of 3 canisters. The smallest canister measures approximately 6 inches tall x 5 inches wide. The medium canister is 7.5 inches tall x 6 inches wide and the largest canister is 9.5 inches tall by 7 inches wide. The lids are not airtight, but fit well enough to keep food fresh. These canisters are lead free and food safe. They may be cleaned in the dishwasher.