These round airtight food storage containers are made from 18/8 food grade Stainless Steel. The lids have a silicone seal and the containers are completely air tight. You can also write on the container with a non-permanent grease pencil. The bottom part of the container can be washed in the dishwasher, but the lid is not diswasher or oven safe.
The divided airtight container has removable dividers and measures 7 5/8" across x 2 1/8" deep. Great for kid's or adults lunches.