
I use them for cooking and portion control. They don't leak when sealed properly, so you can use them for soup and the like. However, check when you unscrew the cap. You can unscrew the lids incorrectly and leak the bag. I also recommend NOT using them in the microwave. According to the manufacturer, they are safe to use in the microwave, but trust me. It is better to put food on a plate and put it in the microwave from there.

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