Sometimes a freak incident during manufacturing causes products to come out a little differently than they’re supposed to and sometimes manufacturers just get it plain wrong.

Whatever the cause of these fails, we can’t help but think that maybe someone should have checked the products just one last time…

Well, this seems a little hard to handle.

Image Source: Guff 

We reckon Batman has something to say about this...

Image Source: Team Jimmy Joe

Correct diagram for coffee? Check. Mug the right way up? Whoops.

Image Source: Team Jimmy Joe

Hmmm, we're not too sure this nail polish marble trick works.

Image Source: The Best Beauty Box Ever

You know what they say: "looks can be deceiving"

Image Source: Bored Panda

So what about you? Have you seen any mug fails better than these? Send them to us over Facebook & Twitter.