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monster magnetics minimag 2 magnet stash box

MiniMag 2 - Dual-Magnet Magnetic Stash Box


Monster Magnetics® MiniMag 2™ is our dual-magnet 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 magnets deliver 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 2™?

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 countersunk right into the enclosure and will not break off. Our screw/rivet-free design 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.


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

MiniMag 2 Magnetic Stash Box Interior Dimensions

Product Dimensions

  • Exterior: 3.5 x 2.5 x 2.0 Inches
  • Interior: 3.2 x 1.8 x 1.6 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 (instructions are printed on product packaging)
  • 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.

In The Box

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

MiniMag 2 Dual Magnet Magnetic Stash Box In the Box


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 77 reviews
Strong magnet

So far so good.

Hi Angel, and thanks so much for taking the time to post your comments. We're very happy that your MiniMag 2 magnetic stash box is working well for you :)


Muchas gracias por tu comentario. ¡Estamos contentos de que tu MiniMag 2 sea útil para ti!
Holds on for dear life!

Holy cow this thing works under ANY condition! We use it for keeping track of our expensive new car in this day of high car thefts. Although we (thankfully) haven't been stolen from, we do like to take advantage of California's diverse landscapes. Freeways, potholes, sand and now deep and cold snow- this baby holds on for dear life! Great job to Monster Magnetics! I'll certainly use you when my teen gets his licence and own vehicle.

Hi Robin, and thank you so much for your invaluable comments. We're so happy that your MiniMag 2 stash box is working well for you on your new car. Yes, our magnets are indeed 'scary strong'. Thank you again, and happy holidays! -Lisa
Saved me from the cold!

Saved me from being locked out in the cold. This box is got some strong hold and is hard to remove making me feel safe about it falling off.

Hi there, and thank you so much for taking the time to post your comments. We're so happy that your MiniMag 2 is working well for you, and - OMG - that it saved you from the cold! Thank you again, and happy holidays! -Lisa
this is the real deal

I was looking for a magnetic key box that would fit the new fob style keys. this one fits the bill. And it is rock solid and magnets are super strong. no worries here.

Hi Thomas, and thank you so much for taking the time to post your comments. We're happy that your MiniMag 2 magnetic stash box fits the bill and is working well for you. Thank you again, and happy holidays!