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Monster Magnetics MiniMag Hide A Key Fob Magnet Stash Box

MiniMag - The Original Magnetic Stash Box

$18.98 $21.98
You save: $3.00 (13.65%)

Monster Magnetics® MiniMag™ is our original premium all-weather mini magnetic storage container. Superior weatherproof protection and a Scary Strong magnetic grip.

Hide your stuff where nobody knows but you! 

  • Rare Earth magnet delivers a Scary Strong magnetic grip.
  • Stash your stuff in, on, behind, or under your refrigerator, locker, or toolbox. Your washer or dryer. Your filing cabinet, safe, steel shelves, bed frame, vehicle frame - anything steel!
  • Waterproof to keep moisture out, Smell-Proof to keep odor in.
  • Mount your GPS tracker and extended battery. Used in the field by law enforcement agencies and professional investigators.
  • Hide a key, set of keys, key fob, or spare garage door opener.
  • Conceal and secure your jewelry and cash.
  • Keep your meds out of reach of children.

Why MiniMag™?

Tens of thousands of our magnetic stash boxes are in the field right now! Law enforcement and professional investigators mount GPS trackers under vehicles. Professional grade. 

The main problem we see in similar products is the quality of the enclosure itself. Magnets break off, moisture sealant is inadequate. Ours are steel reinforced and will not break off. Our lock-tight latch and gasket completely seal your contents from the elements.

But broken magnets and leaking enclosures aren't the only problems. Worse yet is something that seems simple, but that you never thought about until now.

You plan to mount it underneath a vehicle. When you crawl under a vehicle to place it, where do you put it?

If you fail to mount a GPS tracker in a recommended location, you're rendering it useless. You're blocking GPS and cellular signals and it doesn't work. Worse yet, your placement could damage or destroy your expensive tracker. Or you lose it.

We got you covered. We teamed up with GPS tracking experts. Our enlightening (and illustrated) Under-Vehicle Placement Guide will show you what to do. Follow the instructions printed on the outside of the packaging to download it - for FREE.

In The Box

  • Magnetic Enclosure
  • (2) Removable Protective Foam Inserts
  • Under-Vehicle Placement Guide (FREE Download)

Monster Magnetics MiniMag Stash Box with Magnet - In the Box


  • Enclosure: ABS
  • Magnets: Neodymium (NdFeb)
  • Hinges: Stainless Steel
  • Gasket: Rubber
  • Inserts: PU Foam

MiniMag Original Magnetic Stash Box Product Dimensions

Product Dimensions

  • Exterior: 3.5 x 2.3 x 1.6 Inches 
  • Interior: 3.1 x 1.8 x 1.4 Inches

Use, Care, and Maintenance

  • If using outdoors or on the underside of a vehicle, or with a GPS tracking device, download our Under-Vehicle Placement Guide
  • Clean with a soft cloth dampened with warm soapy water. Air dry.
  • Keep magnet assembly coated with a moisture repellent, such as WD-40® or silicone spray lubricant.
  • Keep gasket lubricated with WD-40® or silicone lubricant.

    Did You Know They Come In 3 Sizes?

    Make sure you've got the right fit! Take measurements of items you intend to put inside.  As an example, there are specific keys and fob remotes that are too long to fit in MiniMag and MiniMag 2. But they do fit in a MiniMag Plus.

    Get the size you need with this comparison chart:

    MiniMag Series Magnetic Stash Box - 3 Sizes

    Click To See All 3 MiniMag Series Magnetic Boxes Side By Side

    Easy Returns

    We are just sure that the person about to get this awesome Monster Magnetics® stuff
    will be thrilled, asounded, and astonished. If not, our bad. 😞

    We have an easy, no questions asked one-click returns process.


    Why Buy From Us

    Customer Reviews

    Based on 201 reviews
    Awesome Product

    This is exactly what I needed. Holds tight!

    Best Surfer Magnet out there

    This is my 2nd monster magnet- the first lasted over 4 years. It’s such a strong magnet I’ve accidentally left it under the car when leaving the beach and it’s always held on for the drive. I have to wrap my electronic key in foil or it still emits a signal to unlock the car, but it’s worth the extra effort to not have to worry about my key staying where I put it! Love your product 🥰

    Hi Kristine, and thank you so much for taking the time to post your comments, and thank you for your continued business. We're so happy that you're happy with your MiniMag!
    Great product - fast shipping!

    Would buy again!!

    Hi Kerry, and thank you so much for your comments! We really appreciate you taking the time and are so happy you love your MiniMag!
    Absolutely love Monster Magnets

    This is my 5th purchase from Monster Magnets, these magnets are the absolute best, along with the service and the friendly people, I will buy nowhere else but here... Once you've had a Monster Magnet you won't want another kind of magnet!! They are the absolute best!!! 5*****

    Hi Joey, and thank you so much for taking the time to post your thoughtful comments! We really appreciate your kind words and are ecstatic that you're happy with our products and service. Thank you again for the review and your continued business! :) -Lisa
    It just won’t let go.

    My husband loves this box for his geocaching. He has hidden it and gets comments all the time about how strong the magnate is. Extremely durable and a great price.

    Hi Shelia, and thank you so much for your comments and sharing your husband's experience with his MiniMag magnetic stash box. I'm so glad to hear that it's being used for geocaching successfully. Thank you again! -Lisa