These round airtight food storage containers are amazing! Now available in 11 different sizes, they will fill your every need. The smallest container, FS001 is great for baby food, toddler snacks or whatever else you can think of. The largest is perfect for flour, pet food or… Once you try these, you won’t want anything else. They are made from #316 (18/10) food grade Stainless Steel, (This is the best you get!) and the lid has a silicone seal. The containers are completely air tight. You can also write on the container with a non-permanent or China marker. This helps to specify the contents, date and owner. The bottom part of the container can be washed in the dishwasher, but the lid is not dishwasher or oven safe. Made in Korea.?