The bag itself is a large Mil-Tec range bag I purchased it from Varusteleka for about $75 USD. It features a carry handle, a duffle bag-style single shoudler strap, and also dual shoulder straps to wear it as a backpack. The external zippers are compatible with locks, although the material is not cut-resistant.
This small pouch is one of my IFAKs. It lives on the outside of my backpack, held in place with velcro.
So what is it? An “individual first-aid kit” (IFAK) is a small, dedicated trauma kit meant to be rapidly available to provide life-saving medicine to its wearer. As far as I know, the concept comes from the military, and most IFAKs are built around the types of fatal wounds that soldiers in combat are likely to encounter. However, an IFAK can be focused on any specific type of threat. For example, an IFAK can be designed to deal with possible chainsaw injuries.
Despite the name, an IFAK will generally not contain many general-purpose first aid tools. Instead, it is laser-focused on a small set of life-threatening injuries.
My typical first-aid kits include many items that are usually not in an IFAK, such as:
...and many other things
Welcome to my quick and informal guide which outlines some of the important aspects to consider when choosing an AR-style firearm. This is meant to be a starting point for beginners. Many details are omitted and very few recommendations are made.