I hope some of the medical professionals will respond to your request, but, for what it is worth, here is the response of a rusty EMT.<br><br>I would argue against your general approach. I have sen "comprehensive" kits advertised, mostly in catalogs catering to SAR units, fire departments, and the like. They are selling to operations with big time budgets, charging prices to match, with the expectation of heavy, constant use.<br><br>For what you are proposing, you will actually need several kits and containers. The kit you take into the backcountry needs to be lightweight, and highly tuned to the likely problems you will encounter. The kayaking kit needs above all to be waterproof. It is simpler to maintaim two separate kits rather than shuffled FA supplies around from trip to trip. I Keep a major kit in the car which is actually bigger than what is in the house. It is heavy on trauma items (thinking car accidents, etc.), and is commensurate with the training and abilities that I possess. I have individual FA kits, including one that I take hiking or biking, about eight ounces of carefuly chosen items. The kit for my ten year old is quite different from the one I carry.<br><br>Far more important than the bandages and meds in the kit is the knowledge and skills in your head, along with your ability to summon medical attention, at least in urban situations. I feel that the kit contents should be consistent with your training and abilities. If this is true, then virtually every kit would be best customized to the person carrying it. Just my opinion.