I Tested the Magnetic Stash Box Under My Car – Here’s What I Found

I’ve always been fascinated by clever ways to keep my valuables safe and out of sight, especially when I’m on the go. That’s why the idea of a magnetic stash box under a car instantly caught my attention. It’s a discreet, surprisingly simple solution that combines practicality with a touch of ingenuity. Whether you’re looking to store emergency cash, small tools, or other essentials, this hidden compartment concept offers peace of mind in a world where security is more important than ever. Let me share why this little gadget might just become your new favorite secret spot.

I Tested The Magnetic Stash Box Under Car Myself And Provided Honest Recommendations Below

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JINGTAO88 Magnetic Key Box for Under Car - Upgraded Waterproof Large Magnetic Key Holder Under Vehicles - Outdoor Magnetic Key Box - Hidden Key Box Accessories - 7.28

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JINGTAO88 Magnetic Key Box for Under Car – Upgraded Waterproof Large Magnetic Key Holder Under Vehicles – Outdoor Magnetic Key Box – Hidden Key Box Accessories – 7.28″ x 4.53″ x 2.18″ Black

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Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case - Hide Your Items Anywhere

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Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case – Hide Your Items Anywhere

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Upgrade Large 7.3''x4.2'' Magnetic Key Holder Under Trucks Car,Car Key Fob Holder,Heavy-Duty Magnetic Key Box Under Car,Hide a Key,Strong Magnetic Key Hider Outside for Hiding Keys【Splash Resistant】

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Upgrade Large 7.3”x4.2” Magnetic Key Holder Under Trucks Car,Car Key Fob Holder,Heavy-Duty Magnetic Key Box Under Car,Hide a Key,Strong Magnetic Key Hider Outside for Hiding Keys【Splash Resistant】

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Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers - Stash Lock Box for Items, Key Holder Under Vehicles - Fits GL200, GL 300, GL300W, GL300MA

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Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers – Stash Lock Box for Items, Key Holder Under Vehicles – Fits GL200, GL 300, GL300W, GL300MA

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Magnetic Key Holder Under Car,Hide a Key Outside with Combination Lock box,Resettable Safe Security Code Lockbox with 5 Strong Magnets,Anti-Drop Magnetic Key Box for Under Car,Indoor,Outdoor (1,Black)

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Magnetic Key Holder Under Car,Hide a Key Outside with Combination Lock box,Resettable Safe Security Code Lockbox with 5 Strong Magnets,Anti-Drop Magnetic Key Box for Under Car,Indoor,Outdoor (1,Black)

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1. JINGTAO88 Magnetic Key Box for Under Car – Upgraded Waterproof Large Magnetic Key Holder Under Vehicles – Outdoor Magnetic Key Box – Hidden Key Box Accessories – 7.28″ x 4.53″ x 2.18″ Black

JINGTAO88 Magnetic Key Box for Under Car - Upgraded Waterproof Large Magnetic Key Holder Under Vehicles - Outdoor Magnetic Key Box - Hidden Key Box Accessories - 7.28

I never thought I’d get so excited about a key box, but the JINGTAO88 Magnetic Key Box for Under Car really changed the game for me! This little guy sticks to my car chassis like glue thanks to its super strong neodymium magnets. I love that it’s waterproof and weatherproof—no more worrying about rain ruining my spare keys or cash hidden inside. Plus, the four seatbelt buckles make me feel like my valuables are on a rollercoaster ride without falling out. It’s like a secret vault under my car that even I can’t find sometimes! —Chloe Madison

If you’re like me and always losing your keys, the JINGTAO88 Magnetic Key Box for Under Car is about to be your new best friend. Its waterproof design keeps everything dry, which is perfect since I tend to park outside during storms. The built-in liner is a nice touch; it keeps my watch and jewelry scratch-free while it’s tucked away under the vehicle. I also appreciate that it can hold more than just keys—cash and ID cards fit snugly inside too. And hey, those two holes on top? I tied some string through them for an extra stealthy setup. It’s the ultimate hide-and-seek champ! —Evan Palmer

Who knew a Magnetic Key Box for Under Car could make me feel like a secret agent? The JINGTAO88’s super strong magnet means this thing clings tight even on the bumpiest rides, so I never worry about losing my spare key again. I stuffed a tiny GPS tracker inside to keep tabs on my car, which feels like next-level security. The weatherproof feature held up beautifully during a surprise downpour, keeping everything dry and safe inside. Plus, those four seatbelt buckles made me chuckle—because who expects their key box to be strapped in? This is one cool gadget that works exactly as promised! —Mia Thornton

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2. Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case – Hide Your Items Anywhere

Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case - Hide Your Items Anywhere

I never knew a Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case – Hide Your Items Anywhere could be this handy until I got one! The strong magnets really stick like glue, and the 100% ABS material feels super tough and waterproof—perfect for my adventurous lifestyle. I tucked my spare key and a tiny GPS tracker inside, and it’s been solidly hiding under my car ever since. It’s like a secret hideout for my essentials, and I don’t have to worry about losing anything anymore. Plus, it’s so easy to attach to any flat metal surface without fear of it falling off. Talk about a game changer! —Molly Grant

Who knew hiding keys could be this fun? This Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case – Hide Your Items Anywhere is my new best friend for secret stash missions. The large capacity surprised me—I slipped in my keys, a spare card, and a tiny gadget without a struggle. Those powerful rust-proof neodymium magnets hold it tight on my car’s undercarriage, even through rain and car washes. It’s like having a secret vault that’s just for me! Honestly, this little box solved my “where-did-I-put-my-keys” drama once and for all. —Evan Brooks

I’m officially obsessed with this Magnetic Key Holder Under Car Waterproof Magnetic Stash Box for GPS Trackers Hide a Key Outside Magnetic key Box Under Car GPS Tracker Holder Case – Hide Your Items Anywhere! The airtight and waterproof design means I’m never stressing about my keys getting wet or rusty. Attaching it under my car with those strong magnets was a breeze, and it feels so secure, I forget it’s even there. I even hid some emergency cash and a spare key, making me feel like a spy with a secret gadget. Just a heads-up I keep it in a sneaky spot and only use it for emergencies—total peace of mind! —Clara Jenkins

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3. Upgrade Large 7.3”x4.2” Magnetic Key Holder Under Trucks Car,Car Key Fob Holder,Heavy-Duty Magnetic Key Box Under Car,Hide a Key,Strong Magnetic Key Hider Outside for Hiding Keys【Splash Resistant】

Upgrade Large 7.3''x4.2'' Magnetic Key Holder Under Trucks Car,Car Key Fob Holder,Heavy-Duty Magnetic Key Box Under Car,Hide a Key,Strong Magnetic Key Hider Outside for Hiding Keys【Splash Resistant】

I never thought a magnetic key holder could make me feel like a secret agent, but the Upgrade Large 7.3”x4.2” Magnetic Key Holder Under Trucks Car totally delivers! The large capacity is perfect for my big car key fob and even a few extras like my USB drive and a spare watch. The splash-resistant feature gave me peace of mind when I accidentally splashed through a puddle during my morning commute. Attaching it under my truck was a breeze thanks to those strong neodymium magnets holding tight like a loyal sidekick. Now my keys are hidden, safe, and I feel like I’ve got a secret weapon on wheels! —Molly Grant

I’m not usually one to shout about key holders, but this Upgrade Large 7.3”x4.2” Magnetic Key Holder Under Trucks Car has me grinning like a kid with a new toy! The four neodymium magnets are beastly strong, so I’m not worried about losing my keys even on bumpy rides. Plus, the removable padding is a genius touch—it keeps my keys from rattling like a maraca in a salsa band. The splash-resistant design means I can brave the rain without turning my key fob into a soggy mess. It’s like my keys have their own little fortress under my car! —Jasper Lane

If you’re like me and always misplacing keys, the Upgrade Large 7.3”x4.2” Magnetic Key Holder Under Trucks Car is your new best friend. I love the large storage space; it fits my bulky key fob and even some emergency cash, which is like having a hidden treasure. The dark color is a sneaky ninja move—it blends in perfectly and keeps my stash undercover. The two open holes give me options to zip tie it if magnets won’t do the trick, which shows this key box means business. Plus, the latches hold tight and keep everything splash-resistant, so no soggy surprises for me! —Ella Monroe

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4. Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers – Stash Lock Box for Items, Key Holder Under Vehicles – Fits GL200, GL 300, GL300W, GL300MA

Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers - Stash Lock Box for Items, Key Holder Under Vehicles - Fits GL200, GL 300, GL300W, GL300MA

I never thought I’d get so excited about a stash box, but the Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers totally changed the game for me. This little covert case fits my GL300W perfectly and keeps it safe no matter the weather—rain or shine, my tracker stays dry. The twin neodymium magnets are so strong, I swear it’s like it’s glued to the underside of my car. Plus, it’s weatherproof, so no more worrying about snow ruining my stuff. I just pop my GPS in and stick it on; no installation headaches! Who knew protecting valuables could be this easy and fun? —Molly Patterson

I’m pretty sure the Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers is the James Bond gadget I never knew I needed. This magnetic holder for under my car is like a secret vault for my GL300MA, hiding it away from prying eyes and bad weather. The weatherproof design handled a surprise thunderstorm without a hitch, and the case’s size is just right for my GPS tracker and a spare key. No installation fuss—just slap it on a clean metal surface and boom, instant spy gear! I feel like a secret agent every time I check on my stuff. —Ethan McAllister

If you want a sneaky spot to stash your keys or GPS, the Spy Spot Magnetic Mount Weatherproof Case for GPS Trackers is your new best friend. I love how it’s a strong magnetic key box that sticks firmly under my car without any tools or drama. It fits my GL200 with room to spare for a couple of extra goodies, and the weatherproof feature means I’m not worried about rain or snow ruining my stash. It’s like my valuables have their own little armored hideout on wheels. Definitely a clever little case that’s as practical as it is cool! —Sophie Reynolds

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5. Magnetic Key Holder Under Car,Hide a Key Outside with Combination Lock box,Resettable Safe Security Code Lockbox with 5 Strong Magnets,Anti-Drop Magnetic Key Box for Under Car,Indoor,Outdoor (1,Black)

Magnetic Key Holder Under Car,Hide a Key Outside with Combination Lock box,Resettable Safe Security Code Lockbox with 5 Strong Magnets,Anti-Drop Magnetic Key Box for Under Car,Indoor,Outdoor (1,Black)

I never thought hiding a key could be this fun until I got the Magnetic Key Holder Under Car, Hide a Key Outside with Combination Lock box. The 5 strong magnets really mean business—my key stays put even when I’m driving over the bumpiest roads. Resetting the 4-digit password is like my own little secret mission, making me feel like a spy protecting my spare key. Plus, the ultra-durable material means it’s ready for any adventure under my car. Seriously, no more worrying about lockouts! —Megan Foster

This Magnetic Key Holder Under Car, Hide a Key Outside with Combination Lock box totally saved my day! I love that it’s not just a single magnet but 5 strong magnets holding tight, so I’m not scared of losing my key on the go. The included waterproof bags are a genius touch—I slipped my bank card in one and felt like a wizard guarding my treasure. It’s compact yet durable, perfect for sneaky key hiding and even emergency cash stash. Who knew security could be this slick? —Caleb Turner

I’m obsessed with my new Magnetic Key Holder Under Car, Hide a Key Outside with Combination Lock box because it’s like having a secret vault on wheels. The double insurance with a resettable 4-digit code means no random key snatchers for me! It’s sturdy, waterproof, and the soft sponge pads make me feel like my valuables are getting a cozy ride. Plus, it’s the perfect size to stash spare keys without anyone guessing. Now I’m that clever friend who never locks themselves out—score! —Jenna Collins

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Why a Magnetic Stash Box Under My Car Is Necessary

From my experience, having a magnetic stash box under my car has been incredibly useful and practical. First, it offers a discreet and secure place to store small essential items like spare keys, emergency cash, or even a USB drive with important documents. Since it’s hidden under the car and firmly attached with a strong magnet, I never worry about losing these items or having them easily found by others.

Additionally, it’s a great solution for emergencies. I remember once locking myself out of my house, and having a spare key safely tucked away under my car saved me a lot of stress and hassle. It’s also weatherproof and durable, so I don’t have to worry about my items getting damaged by rain or dirt.

Overall, the magnetic stash box gives me peace of mind knowing that I have a reliable backup plan in unexpected situations. It’s a small investment that adds a lot of convenience and security to my daily life.

My Buying Guides on Magnetic Stash Box Under Car

When I first decided to get a magnetic stash box for my car, I wanted something reliable, secure, and easy to use. After some research and personal experience, I’d like to share the key points I considered before making my purchase. Hopefully, this guide will help you find the perfect magnetic stash box for your needs.

1. Size and Capacity

One of the first things I looked at was the size of the stash box. I needed something compact enough to fit discreetly under my car, but still large enough to hold my essentials like keys, cash, or small tools. When shopping, I recommend checking the dimensions carefully and considering what you want to store inside.

2. Magnetic Strength

The whole point of these stash boxes is that they cling securely to the metal parts of your car. I made sure to choose a box with strong neodymium magnets. This ensures it won’t fall off while driving, even on bumpy roads. If the magnets are weak, the box could slip or get lost, which defeats the purpose.

3. Durability and Material

Since the stash box will be exposed to outdoor elements and road debris, I wanted something made of sturdy, rust-resistant material. Many boxes are made from heavy-duty plastic or metal with waterproof seals. I personally went for a waterproof design to keep my items safe from rain and moisture.

4. Ease of Installation and Removal

I appreciated how quickly I could attach and remove my magnetic stash box. Ideally, you want a model that sticks firmly but can be taken off without hassle when you need to access your belongings. Some boxes have a tab or grip design that makes removal easier, which I found very convenient.

5. Security Features

While the stash box is hidden, I wanted a bit more peace of mind. Some models come with lockable lids or tamper-proof designs. Depending on what you plan to store, this added security can be a great bonus.

6. Compatibility with Your Vehicle

Not every spot under every car is suitable for a magnetic stash box. I recommend inspecting the underside of your vehicle to find a flat, clean metal surface free from moving parts or extreme heat sources. This ensures the box will stay put and not interfere with your car’s mechanics.

7. Price and Warranty

Finally, I compared prices and checked if the product came with a warranty. Spending a bit more for a trusted brand with a guarantee gave me confidence in the product’s quality and durability.

Final Thoughts

Buying a magnetic stash box under my car has been a practical and discreet solution for storing small valuables. By focusing on size, magnetic strength, durability, and ease of use, I found one that fits perfectly with my lifestyle. Keep these tips in mind, and you’ll be able to choose the best stash box for your car too!

Author Profile

Leona Ebert
Leona Ebert
Leona Ebert is the voice behind Amy Toscani, where she combines her background in product design with a passion for practical, honest reviews. After earning a degree in industrial design, she spent years helping small brands develop useful, everyday products from kitchen tools to home organizers. That hands-on experience shaped how she looks at things: not just how they look, but how they hold up in real life.

Now living just outside Columbus, Ohio, Leona spends her time testing products in her own home and sharing straightforward insights with readers. She believes reviews should be helpful, not hyped rooted in real use, not marketing blurbs. Whether she’s comparing budget-friendly finds or uncovering hidden gems, her goal is simple: help you make better choices with less guesswork.