Is this mug microwave safe?

Yes. The listing states it is microwave safe, so reheating coffee in it is fine.

How much coffee does it hold?

About 312 g, which is roughly 11 oz — a standard mug size, not a large one.

Dishwasher safety is not stated. Hand washing is the safer choice to protect the printed joke.

It is a novelty engagement gift for a friend, coworker or couple who just got engaged. It suits a ring-reveal photo or an engagement party favor.

No gift box or packaging is listed. Expect a plain mug, so wrap it yourself if it is a gift.

It works as one, but the joke is the point. For daily use, a plain ceramic mug of the same size does the same job.

At Amazon, for $13.91, as of our latest check.

4 stores we checked sell it, including Amazon, CafePress, Citrus and Moss, Walmart.

$13.91at AmazonChecked 2 h ago

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