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Original poster

What are the stoppers for on the bottom of ceramic travel mugs?

1 reply

HappyCrazyTired · 31/01/2018 19:53

It's one of them things that drives me crazy,am I the only person who doesn't know. The holes too I mean they just get water stuck in the.WHAT ARE THEY EVEN FOR?

OP posts:
MummySparkle · 31/01/2018 19:54

Without the hole the ceramic would explode in the kiln. The stopper is to stop water getting in when you wash it. And they're double-walled so they're insulated Grin

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