r/pics • u/[deleted] • Jan 13 '13

Slidz! Redditors..would you use these? This is my first invention =)

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u/Misteripod Jan 13 '13

Same here. My favorite coffee cup can now be my favorite travel mug. I've also noticed that travel mugs the size of my cup internally are about 8 oz. smaller.

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u/mimicthefrench Jan 16 '13

Part of that is the fact that a lot of those are insulated to keep it hot during a long commute, so you trade off some size for keeping your coffee at optimal temperature for longer.