>>2081361You don't need a bag specifically to protect against bears, if that is what your asking. Any old bag will do as long as it is strong enough to hold your food/deodorant/other smellables. As for sealed packaging, if it is food of any sort, it goes in the bag. Realistically, it probably won't be an issue one way or the other, but the 1/100 chance that a bear decides to get ballsy isn't really worth the risk.