How do you pack in topcase/panniers?

[kawashima]

I wonder how you pack your baggage in top case/panniers. I usually put my baggage in my day pack, and then throw it in my top case. I haven't tried putting my baggage directly in top case and carry top case like a bag.
Apparently I am not using the capacity efficiently. I usually don't remove top case from my bike.
I see many of long tourers bring top case/ panniers into hotel rooms with them but how do they pack their baggage in cases? Do they pack their clothes or something directly in cases?
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own:2020 Serow 250
owned: 2012 YB125SP, 2008 TDM900, 2005 W650, 2002 LS125R, 2002 CB400SF, NS50F, C50 / Trip to UK(2009), Hokkaido touring(2013)

[t121anf]

packed mine into plastic bags and then into the case, carried case into hotel and used as a suitcase.

only ever needed to do this once mind, not a season traveller (by bike)

[kawashima]

[calyx]

As long as it is waterproof I see no problem with that.
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Boris - London

[t121anf]

only consideration i would have is if you only half fill the box and then opt to carry using a carry handle everything will move inside the box.

not great for iron shirts etc

[kawashima]

[Bendy]

I put things in bags so I don't have to take the cases into the hotel - they're too bulky to carry easily, especially when you've got helmet etc to carry as well.

Depends if you're staying somewhere for a few days or just one night, I suppose.

[Flip]