Ever wonder what the rhyme and reason for the lined grooves on a Solo cup were for? Funny thing, how can you see through the colored cups? The cups were introduced in the 70’s and big changes coming soon to the standard cup you have grown to love.

About the Author
Tony Medeiros is the founder and publisher of Sandbox World. For more than 20 years, he has written about pop culture, books, comics, movies, television, music, gaming, and the nostalgic moments that continue to shape fandom. His goal is simple: help readers discover something worth talking about.
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