This review is from: Pittsburgh Pirates Crystal Freezer Mug (Sports)
I bought this attractive Pittsburgh Pirates mug hoping to have a mug that could handle being repeatedly put in the freezer. Unfortunately it didn't take long for the plastic to develop a small crack that quickly grew into a large crack ( the entire length of the mug ) as moisture collected within the crack and expanded when the mug was put in the freezer. The rubber "crystal" insulated material occasionally falls out from the crack. I can still drink from the mug as the crack only affects the outer insulated part, but now the mug really looks like crap. I won't buy another mug made by this company.
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