Using evidence from nine different National Societies, this essay illustrates how the Fundamental Principles of the Red Cross and Red Crescent Movement are practically applied in today's diverse contexts. The research has found that the Principles are not just abstract concepts but are in fact practical tools for initiating and implementing a range of programmes, particularly in difficult situations. The Fundamental Principles are useful for increasing access in both conflict and peaceful situations. Strong leadership is an important factor to ensure that the Principles are applied, particularly when neutrality is challenged. Lastly, all seven Principles work together and give additional strength to programmes when working as part of the Movement.