snopes.com - ❌ No, the lines on red Solo cups are not measurement marks for common alcohol serving sizes. According to Dart Container Corporation, the parent company of the Solo brand of
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6 Things You Never Knew About the Red Solo Cup | FN Dish - Behind-the-Scenes, Food Trends, and Best Recipes : Food Network | Food Network
The Origin of the Red Party Cup. How did a plastic, red cup become… | by Daniel Ganninger | Knowledge Stew | Medium
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