There are really only two types of bag you can consider when going on a trip; a backpack or a suitcase.
If you are just going to be carrying a bag between cars, planes, taxis and hotels (for example, on a 2-week vacation or on a business trip), then a suitcase will be as good as any other bag.
For walking any distance a suitcase is not recommended at all, as the weight of the bag and contents is carried using the upper body only, and the weight is also off-centre. Even if they have wheels [...]
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