I use a cosmetic bag that I bought from Pier 1 Imports a few years ago to keep my diabetes supplies organized in my purse. I love the fact that it has so many pockets and then all zips up in to one bag. This is how I organize the supplies that I like to always have with me.
Here it is all zipped up
And it fits just great in my purse!
Now I am always prepared for my diabetes throws at me. Well almost always...