Yes, the First Aid Only 91390 Basic First Aid Kit fits in a standard vehicle trunk because its soft-sided design allows it to be compressed and tucked into various storage areas without the rigid footprint of a hard case.
The 91390 First Aid Kit uses a durable fabric bag with buckle closures and a shoulder strap, which allows it to be squeezed into tight gaps or cubbies that a hard shell might block. We selected this kit for our comparison because it balances a high piece count of 329 with a portable form factor suitable for mobile use. Knowing the exact footprint is essential for first aid kits because a bulky bag that obstructs the trunk floor or interferes with the spare tire can delay access during an emergency. While the kit includes 5 internal compartments and 2 side pockets to keep components from shifting, the manufacturer does not provide specific external dimensions or a total weight for the fully stocked bag; you should check the official First Aid Only support page for the exact measurements to ensure it fits your specific trunk cubby.
What to Check Before Buying the 91390 First Aid Kit
Before purchasing this bag, verify these specific details to ensure it meets your vehicle’s requirements:
To see our final verdict, read our full 91390 First Aid Kit review.
- Confirm the exact external dimensions to ensure the bag does not interfere with your vehicle’s spare tire or trunk floor.
- Check the total weight of the kit when fully stocked with all 329 pieces to see if it meets your vehicle’s weight limits.
- Verify if the bag includes a mounting bracket or adhesive, as loose items in a trunk can become projectiles during a collision.
- Ensure the internal elastic straps and compartments are sufficient to keep small supplies from rattling or shifting during transit.
- Determine if the bag’s dimensions allow it to sit in your vehicle’s specific “emergency” cubby rather than just the open trunk.
Evaluating the 91390 First Aid Kit for Vehicle Use
The 91390 First Aid Kit is a large, multi-compartment bag designed to hold supplies for burns, eye injuries, and sprains, making it a comprehensive first aid kit for public safety or industrial settings. If you require a kit that must be mounted to a wall or a permanent fixture, you should look for a wall-mounted station or cabinet instead. This bag is designed for portability, so it is ideal for those who need to move the supplies quickly but may be less suitable for users who need a fixed, permanent storage solution in a government office or large public venue.
If you need a portable, high-capacity bag that can be easily squeezed into a vehicle’s storage space, the 91390 First Aid Kit is a suitable choice.
You may also find a budget-friendly travel kit under $150 suitable for your needs.

First Aid Only 91390 Basic First Aid Kit
If you have limited storage, see the best compact basic first aid kit for small spaces.
$160.40 price checked August 2026
