How long can these items stay applied before they need to be removed? I spend a fair amount of time in the back country solo and I get into dangerous activities frequently. I spend most of my time off the beaten path so to speak. For this reason I tend to carry more aid than a typical backpacker ever would. I have all 3 items mentioned and extra gauze roles for packing /changing dressings. My biggest concern is getting caught in a situation where I'm going to be there awhile and I don't want to rely on rescue to save my life. I try to think of long term (days) rather than hours.

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