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Chances are the wrapping paper was generated overseas where heavy metals are more likely to be used in the inks.

I wouldn't trust the stuff in my bin and would leave it for the recyclers to deal with.

to sense
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I would agree with rott that christmas wrapping paper does not belong in compost. Metallic inks, laquer to keep the inks from smearing, numerous reasons indicate that is not a good idea.

Thanks so much. The inks were my concern and I can see now I would not want that stuff in my compost.