Me neither, but I learned that :
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kids really like it, you can bubble and stuff,
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it is useful when you drink from a can cause the border can be soiled (by rat piss or other tasty stuff, by the way if you drink from a can you should always wipe it with a cloth or clean with water before putting your mouth on it),
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a guy I know who can't use his hands, so his only way to drink without help is with a straw
Plastic don't age well be careful, I throw out an old pack of straws cause it was breaking in small pieces, I guess my kids had their dose of micro plastics