They are made from #316 (18/10) food grade Stainless Steel, (The best of the best!) and the lid has a silicone seal. The containers are completely air tight.
You can also write on the container with a non-permanent 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.
10 cm, 1.5 cups, 350 mL.
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Sheila: more than a year ago
Very impressed with this product. It was a little smaller than expected (even though dimensions are provided). Homemade yogurt doesn't leak, it can fit an entire (sliced) orange and it's all stainless steel! Considering getting another one or two. Also, bottom is dishwasher safe.