We always take one case each when we go to Florida but to be honest, if we really thought about it, one between the two of us would be fine. I so overpack!! I know when I am putting some clothes into the case that there is very little chance of me wearing them. I tend to favour maybe three outfits and just keep wearing those. You know, the outfits that you feel most comfy in. (Can I just add here that our clothes do get washed after each wear!!!) So, the majority of my clothing comes back to sunny England unworn.