Your First Aid Kit Is Only Useful If You Know What's Inside It

By Kevin Wilson | Firefighter/Paramedic | Founder, IFAK360
Published September 1, 2026

September is National Preparedness Month, which makes this a good time to think about the things we tend to put off until we actually need them. Emergency plans, food and water, medications, communications, power, and the supplies we rely on when something goes wrong all deserve some attention before an emergency happens. Current Centers for Disease Control and Prevention (CDC) guidance makes the same basic point: don't wait for an emergency to begin preparing. Use the time beforehand to gather essential supplies and learn practical skills.

I'd add one simple task to your September preparedness list: actually open your first aid kit. Don't just check that it's still under the seat, in the camper, hanging in the garage, or buried somewhere in your emergency supplies. Open it, take the contents out, look at what you have, figure out what everything does, and ask yourself what problems you're actually prepared to handle.

There's a big difference between owning a first aid kit and being prepared to use one.

Think in Capabilities, Not Piece Count

One of the things I've never liked about the way first aid kits are marketed is the emphasis on piece count. A 100-piece or 200-piece kit sounds impressive, but that number doesn't tell you very much about what the kit can actually do. Twenty adhesive bandages are twenty pieces. Ten antiseptic wipes are another ten. Add some gauze, cotton swabs, and other inexpensive supplies and you can build a pretty impressive number on the front of a package.

That's not how I look at a medical kit. I think in terms of capabilities. Can I control significant bleeding? Can I clean and prepare a dirty wound? Can I protect and manage an appropriate minor wound after it's cleaned? Do I have medications and hydration supplies appropriate for the people who may use the kit? Just as importantly, do I understand what the equipment is for, and can I find it when I need it?

Think of it like a toolbox. A toolbox isn't useful because it contains 150 pieces. It's useful because when something needs tightening, cutting, measuring, or repairing, you know which tool you need and where to find it. Your medical equipment should work the same way.

This is also why I don't believe there's one perfect first aid kit for everyone. A family road trip isn't the same as a day at the range. A weekend in a campground isn't the same as traveling farther into the backcountry. Families, individuals, workplaces, and people traveling with pets can all have different needs. CDC preparedness guidance likewise recommends tailoring emergency supplies to the people who will rely on them rather than assuming one kit fits everyone.

Yes, I Want You to Open the Bag

If you own an IFAK360 module, there's something I want you to know about the way I designed it. I want you to open it.

When one of our modules arrives chamber sealed and compact, it can look like something you're supposed to preserve untouched until an emergency. That's not the intent. I chamber seal the modules primarily to remove excess air and keep them compact for shipping and storage. Once you receive one, open the outer bag. Take everything out. Get your hands on the equipment. Learn what each item is, where it's located, and how everything fits back together.

That's also why I chose clear, heavy-duty resealable outer bags instead of putting that cost into a fancy medical pouch for every module. The clear bag lets you visually identify what's inside, the heavier material provides practical protection during normal storage, transport, and field use, and the resealable closure lets you open and close the module as you become familiar with it. You can then put the module inside whatever carrying system makes sense for you, whether that's a medical bag, backpack, vehicle organizer, duty bag, range bag, camper, or something else you already use.

The outer bag has a pretty simple job: let you see the module, identify it, open it, learn it, close it, and protect it.

Opening the IFAK360 outer bag also doesn't mean opening the individually packaged sterile supplies inside. Leave sterile items sealed in their original manufacturer's packaging until they're needed. You can still take the module apart, handle the packaged equipment, learn where everything is, and put it all back together.

I would much rather have you rummage through your module several times at home than open it for the first time when someone is bleeding.

Inspect What You Already Have

This exercise isn't just about becoming familiar with your equipment. It's also an opportunity to find problems before those problems matter. Take everything out and look at expiration dates where applicable, but don't stop there. Look at the condition of the packaging and the equipment itself.

I've opened old alcohol prep pads that looked perfectly fine from the outside only to discover they had dried out. Ask me how I know that one. Adhesives can lose their stick, packaging can become damaged, and equipment that's spent years bouncing around in a vehicle or gear bag deserves more than a quick glance at a date. The American Red Cross recommends removing first aid kit contents during an inspection and checking individual items for things such as tears, stains, leaks, openings, expiration dates, and other signs of deterioration.

That doesn't mean you need to turn this into a piece-by-piece medical inventory or replace everything simply because it's been sitting around for a while. The point is to make sure the equipment you expect to be there is actually usable. If something is expired, damaged, already used, missing, or no longer functioning as intended, now is the time to discover it.

This is also a good opportunity to ask whether your needs have changed. Maybe the kit was built before you had kids. Maybe you now travel with a dog. Maybe someone relies on a medication or piece of medical equipment that wasn't a consideration when the kit was assembled. CDC recommends keeping emergency kits current, complete, functional, and accessible, with a check at least every six months.

Preparedness Starts Before the Emergency

The same thinking is behind the way I organized the IFAK360 Core 4. Instead of building one large collection of supplies, I organized the system around capabilities: Module 1 for Hemorrhage Control, Module 2 for Irrigation & Wound Prep, Module 3 for Wound Closure & Minor Trauma, and Module 4 for Medication & Hydration. The goal isn't to tell everyone they need exactly the same equipment. It's to make it easier to understand what you have, what it allows you to do, and where you may have a gap.

Whatever first aid system you use, there's one last part of this September exercise that costs nothing: show the people around you where it is. If it's in your vehicle, does your spouse know where you keep it? If you're camping with friends, does everyone know which bag contains the medical equipment? Could someone else find it without asking you? CDC preparedness materials specifically recommend keeping emergency kits easy to find for both the owner and people who may need to help them.

That's worth thinking about because if you're the person who gets hurt, you may not be the person opening the kit.

National Preparedness Month doesn't have to mean going online and buying another pile of emergency gear. Start with what you already own. Open your first aid kit. Take everything out. Understand what you have. Inspect it. Replace what needs replacing. Identify the gaps. Put it back together, make sure the people around you know where it is, and if you find equipment you don't understand or don't know how to use, get the appropriate training now while you have the time to learn.

A first aid kit isn't prepared simply because the zipper is closed and the bag is full. It's prepared when you know what you have, know what it can do, and are ready to use it.

Preparedness doesn't start when the emergency happens. It starts with what you do before it.

Explore the IFAK360 Core 4

The IFAK360 Core 4 organizes medical equipment around four capabilities: Hemorrhage Control, Irrigation & Wound Prep, Wound Closure & Minor Trauma, and Medication & Hydration.

Shop the Core 4

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Sources & Further Reading

• CDC — Prepare Your Health: Take Action
• CDC — Building an Emergency Kit
• American Red Cross — Do First Aid Kits Expire?

About the Author

Kevin Wilson | Firefighter/Paramedic | Founder, IFAK360

Kevin Wilson is a career firefighter/paramedic and founder of IFAK360. IFAK360 was developed around practical medical organization, preparedness, and making medical equipment easier for people to understand, access, and become familiar with before an emergency.