In cycling, the most common injuries are concussions, broken bones and skin abrasion (road rash). In remote locations, the biggest life-threatening situation is Hemorrhage and Exsanguination (Bleeding Out).
My first aid kit was designed to deal with these issues primarily. I am now using a 2L, bright red dry bag to ensure materials stay dry, and kit is easy to locate.
The images below represent how things are organized in my kit..