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Title: Good for cans and mugs ONLY
Review: THERE IS NO BOTTOM of the cup holder, it has an open bottom. The graduated rings are designed to hold different sizes but makes an uneven surface causing beverages to spill or glasses to tip over. I had quite a mess on my hands. If you ONLY drink from cans or mugs with just the right size handle this may work for you but it was a total waste of money for me, especially as a wine judge.
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