FlyerTalk Forums - View Single Post - Using cardboard boxes to ship personal items on UA as checked luggage
Old Feb 23, 2014 | 2:27 pm
  #11  
STS-134
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Originally Posted by mahasamatman
Only for small households, like people just getting out of college.
It depends on how many trips you make

To the OP's original question, I've checked a Thermosafe shipping container that's about 18" on a side (cube shaped) between ORD and SFO multiple times, to take Chicago pizzas back home.
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