
I use them to label plastic and glass food containers in fridges and freezers. I think freezer tape is annoying for a number of reasons, so after googling for the best solution I read that some people use wine glass markers like this. in the freezer. It doesn't always come out clean in the dishwasher (this can vary between plastic and glass) so I just wash with soap and water to remove the marker and then pop it in the dishwasher. Pretty cheap solution! I recommend this for labeling food containers instead of labels or tape.

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