I followed the instructions as given. They don't work. They don't cool the drink. And the engraving doesn't show while emerged.
This was not promised in the listing, but I just thought, if you can't see the initials while sipping , what's the point?
I'll pass them on or throw them away.
We are sorry to hear that you were not satisfied with this product. We are more than happy to take the product back and refund you under the terms of our "Love It, or Return It" policy